The problem is that I need to know if it\'s version 3.5 SP 1. Environment.Version() only returns 2.0.50727.3053.
I found this solution, but I think it will take much more time than it\'s worth, so I\'m looking for a simpler one. Is it possible?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
Something like this should do it. Just grab the value from the registry
For .NET 1-4:
Framework is the highest installed version, SP is the service pack for that version.
RegistryKey installed_versions = Registry.LocalMachine.OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\");
string[] version_names = installed_versions.GetSubKeyNames();
//version names start with \'v\', eg, \'v3.5\' which needs to be trimmed off before conversion
double Framework = Convert.ToDouble(version_names[version_names.Length - 1].Remove(0, 1), CultureInfo.InvariantCulture);
int SP = Convert.ToInt32(installed_versions.OpenSubKey(version_names[version_names.Length - 1]).GetValue(\"SP\", 0));
For .NET 4.5+ (from official documentation):
using System;
using Microsoft.Win32;
...
private static void Get45or451FromRegistry()
{
using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(\"SOFTWARE\\\\Microsoft\\\\NET Framework Setup\\\\NDP\\\\v4\\\\Full\\\\\")) {
int releaseKey = Convert.ToInt32(ndpKey.GetValue(\"Release\"));
if (true) {
Console.WriteLine(\"Version: \" + CheckFor45DotVersion(releaseKey));
}
}
}
...
// Checking the version using >= will enable forward compatibility,
// however you should always compile your code on newer versions of
// the framework to ensure your app works the same.
private static string CheckFor45DotVersion(int releaseKey)
{
if (releaseKey >= 461808) {
return \"4.7.2 or later\";
}
if (releaseKey >= 461308) {
return \"4.7.1 or later\";
}
if (releaseKey >= 460798) {
return \"4.7 or later\";
}
if (releaseKey >= 394802) {
return \"4.6.2 or later\";
}
if (releaseKey >= 394254) {
return \"4.6.1 or later\";
}
if (releaseKey >= 393295) {
return \"4.6 or later\";
}
if (releaseKey >= 393273) {
return \"4.6 RC or later\";
}
if ((releaseKey >= 379893)) {
return \"4.5.2 or later\";
}
if ((releaseKey >= 378675)) {
return \"4.5.1 or later\";
}
if ((releaseKey >= 378389)) {
return \"4.5 or later\";
}
// This line should never execute. A non-null release key should mean
// that 4.5 or later is installed.
return \"No 4.5 or later version detected\";
}
回答2:
Not sure why nobody suggested following the official advice from Microsoft right here.
This is the code they recommend. Sure it\'s ugly, but it works.
For .NET 1-4
private static void GetVersionFromRegistry()
{
// Opens the registry key for the .NET Framework entry.
using (RegistryKey ndpKey =
RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, \"\").
OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
{
// As an alternative, if you know the computers you will query are running .NET Framework 4.5
// or later, you can use:
// using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine,
// RegistryView.Registry32).OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
foreach (string versionKeyName in ndpKey.GetSubKeyNames())
{
if (versionKeyName.StartsWith(\"v\"))
{
RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
string name = (string)versionKey.GetValue(\"Version\", \"\");
string sp = versionKey.GetValue(\"SP\", \"\").ToString();
string install = versionKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\") //no install info, must be later.
Console.WriteLine(versionKeyName + \" \" + name);
else
{
if (sp != \"\" && install == \"1\")
{
Console.WriteLine(versionKeyName + \" \" + name + \" SP\" + sp);
}
}
if (name != \"\")
{
continue;
}
foreach (string subKeyName in versionKey.GetSubKeyNames())
{
RegistryKey subKey = versionKey.OpenSubKey(subKeyName);
name = (string)subKey.GetValue(\"Version\", \"\");
if (name != \"\")
sp = subKey.GetValue(\"SP\", \"\").ToString();
install = subKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\") //no install info, must be later.
Console.WriteLine(versionKeyName + \" \" + name);
else
{
if (sp != \"\" && install == \"1\")
{
Console.WriteLine(\" \" + subKeyName + \" \" + name + \" SP\" + sp);
}
else if (install == \"1\")
{
Console.WriteLine(\" \" + subKeyName + \" \" + name);
}
}
}
}
}
}
}
For .NET 4.5 and later
// Checking the version using >= will enable forward compatibility,
// however you should always compile your code on newer versions of
// the framework to ensure your app works the same.
private static string CheckFor45DotVersion(int releaseKey)
{
if (releaseKey >= 393295) {
return \"4.6 or later\";
}
if ((releaseKey >= 379893)) {
return \"4.5.2 or later\";
}
if ((releaseKey >= 378675)) {
return \"4.5.1 or later\";
}
if ((releaseKey >= 378389)) {
return \"4.5 or later\";
}
// This line should never execute. A non-null release key should mean
// that 4.5 or later is installed.
return \"No 4.5 or later version detected\";
}
private static void Get45or451FromRegistry()
{
using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(\"SOFTWARE\\\\Microsoft\\\\NET Framework Setup\\\\NDP\\\\v4\\\\Full\\\\\")) {
if (ndpKey != null && ndpKey.GetValue(\"Release\") != null) {
Console.WriteLine(\"Version: \" + CheckFor45DotVersion((int) ndpKey.GetValue(\"Release\")));
}
else {
Console.WriteLine(\"Version 4.5 or later is not detected.\");
}
}
}
回答3:
Environment.Version() is giving the correct answer for a different question. The same version of the CLR is used in .NET 2.0, 3, and 3.5. I suppose you could check the GAC for libraries that were added in each of those subsequent releases.
回答4:
An alternative method where no right to access the registry are needed, is to check for the existence of classes that are introduced in specific framework updates.
private static bool Is46Installed()
{
// API changes in 4.6: https://github.com/Microsoft/dotnet/blob/master/releases/net46/dotnet46-api-changes.md
return Type.GetType(\"System.AppContext, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\", false) != null;
}
private static bool Is461Installed()
{
// API changes in 4.6.1: https://github.com/Microsoft/dotnet/blob/master/releases/net461/dotnet461-api-changes.md
return Type.GetType(\"System.Data.SqlClient.SqlColumnEncryptionCngProvider, System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\", false) != null;
}
private static bool Is462Installed()
{
// API changes in 4.6.2: https://github.com/Microsoft/dotnet/blob/master/releases/net462/dotnet462-api-changes.md
return Type.GetType(\"System.Security.Cryptography.AesCng, System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\", false) != null;
}
private static bool Is47Installed()
{
// API changes in 4.7: https://github.com/Microsoft/dotnet/blob/master/releases/net47/dotnet47-api-changes.md
return Type.GetType(\"System.Web.Caching.CacheInsertOptions, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a\", false) != null;
}
回答5:
AFAIK there\'s no built in method in the framework that will allow you to do this. You could check this post for a suggestion on determining framework version by reading windows registry values.
回答6:
It used to be easy, but Microsoft decided to make a breaking change: Before version 4.5, each version of .NET resided in its own directory below C:\\Windows\\Microsoft.NET\\Framework (subdirectories v1.0.3705, v1.1.4322, v2.0.50727, v3.0, v3.5 and v4.0.30319).
Since version 4.5 this has been changed: Each version of .NET (i.e. 4.5.x, 4.6.x, 4.7.x) is being installed in the same subdirectory v4.0.30319 - so you are no longer able to check the installed .NET version by looking into Microsoft.NET\\Framework.
To check the .NET version, Microsoft has provided two different sample scripts depending on the .NET version that is being checked, but I don\'t like having two different C# scripts for this. So I tried to combine them into one, here\'s the script I created (and updated it for 4.7.1 framework):
using System;
using Microsoft.Win32;
public class GetDotNetVersion
{
public static void Main()
{
string maxDotNetVersion = GetVersionFromRegistry();
if (String.Compare(maxDotNetVersion, \"4.5\") >= 0)
{
string v45Plus = GetDotNetVersion.Get45PlusFromRegistry();
if (v45Plus != \"\") maxDotNetVersion = v45Plus;
}
Console.WriteLine(\"*** Maximum .NET version number found is: \" + maxDotNetVersion + \"***\");
}
private static string Get45PlusFromRegistry()
{
String dotNetVersion = \"\";
const string subkey = @\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\v4\\Full\\\";
using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey))
{
if (ndpKey != null && ndpKey.GetValue(\"Release\") != null)
{
dotNetVersion = CheckFor45PlusVersion((int)ndpKey.GetValue(\"Release\"));
Console.WriteLine(\".NET Framework Version: \" + dotNetVersion);
}
else
{
Console.WriteLine(\".NET Framework Version 4.5 or later is not detected.\");
}
}
return dotNetVersion;
}
// Checking the version using >= will enable forward compatibility.
private static string CheckFor45PlusVersion(int releaseKey)
{
if (releaseKey >= 461308) return \"4.7.1 or later\";
if (releaseKey >= 460798) return \"4.7\";
if (releaseKey >= 394802) return \"4.6.2\";
if (releaseKey >= 394254) return \"4.6.1\";
if (releaseKey >= 393295) return \"4.6\";
if ((releaseKey >= 379893)) return \"4.5.2\";
if ((releaseKey >= 378675)) return \"4.5.1\";
if ((releaseKey >= 378389)) return \"4.5\";
// This code should never execute. A non-null release key should mean
// that 4.5 or later is installed.
return \"No 4.5 or later version detected\";
}
private static string GetVersionFromRegistry()
{
String maxDotNetVersion = \"\";
// Opens the registry key for the .NET Framework entry.
using (RegistryKey ndpKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, \"\")
.OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
{
// As an alternative, if you know the computers you will query are running .NET Framework 4.5
// or later, you can use:
// using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine,
// RegistryView.Registry32).OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
foreach (string versionKeyName in ndpKey.GetSubKeyNames())
{
if (versionKeyName.StartsWith(\"v\"))
{
RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
string name = (string)versionKey.GetValue(\"Version\", \"\");
string sp = versionKey.GetValue(\"SP\", \"\").ToString();
string install = versionKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\") //no install info, must be later.
{
Console.WriteLine(versionKeyName + \" \" + name);
if (String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}
else
{
if (sp != \"\" && install == \"1\")
{
Console.WriteLine(versionKeyName + \" \" + name + \" SP\" + sp);
if (String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}
}
if (name != \"\")
{
continue;
}
foreach (string subKeyName in versionKey.GetSubKeyNames())
{
RegistryKey subKey = versionKey.OpenSubKey(subKeyName);
name = (string)subKey.GetValue(\"Version\", \"\");
if (name != \"\")
{
sp = subKey.GetValue(\"SP\", \"\").ToString();
}
install = subKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\")
{
//no install info, must be later.
Console.WriteLine(versionKeyName + \" \" + name);
if (String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}
else
{
if (sp != \"\" && install == \"1\")
{
Console.WriteLine(\" \" + subKeyName + \" \" + name + \" SP\" + sp);
if (String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}
else if (install == \"1\")
{
Console.WriteLine(\" \" + subKeyName + \" \" + name);
if (String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
} // if
} // if
} // for
} // if
} // foreach
} // using
return maxDotNetVersion;
}
} // class
On my machine it outputs:
v2.0.50727 2.0.50727.4927 SP2
v3.0 3.0.30729.4926 SP2
v3.5 3.5.30729.4926 SP1
v4
Client 4.7.02558
Full 4.7.02558
v4.0
Client 4.0.0.0
.NET Framework Version: 4.7.1 or later
**** Maximum .NET version number found is: 4.7.1 or later ****
The only thing that needs to be maintained over time is the build number once a .NET version greater than 4.7.1 comes out - that can be done easily by modifying the function CheckFor45PlusVersion, you need to know the release key for the new version then you can add it. For example:
if (releaseKey >= 461308) return \"4.7.1 or later\";
This release key is still the latest one and valid for the Fall Creators update of Windows 10. If you\'re still running other (older) Windows versions, there is another one as per this documentation from Microsoft:
.NET Framework 4.7.1 installed on all other Windows OS versions 461310
So, if you need that as well, you\'ll have to add
if (releaseKey >= 461310) return \"4.7.1 or later\";
to the top of the function CheckFor45PlusVersion.
Note: You don\'t need Visual Studio to be installed, not even PowerShell - you can use csc.exe to compile and run the script above, which I have described here.
Update: The question is about the .NET Framework, for the sake of completeness I\'d like to mention how to query the version of .NET Core as well - compared with the above, that is easy: Open a command shell and type: dotnet --info Enter and it will list the .NET Core version number, the Windows version and the versions of each related runtime DLL as well.
Sample output:
.NET Core SDK (reflecting any global.json):
Version: 2.1.300
Commit: adab45bf0c
Runtime Environment:
OS Name: Windows
OS Version: 10.0.15063
OS Platform: Windows
RID: win10-x64
Base Path: C:\\Program Files\\dotnet\\sdk\\2.1.300\\
Host (useful for support):
Version: 2.1.0
Commit: caa7b7e2ba
.NET Core SDKs installed:
1.1.9 [C:\\Program Files\\dotnet\\sdk]
2.1.102 [C:\\Program Files\\dotnet\\sdk]
...
2.1.300 [C:\\Program Files\\dotnet\\sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.0 [C:\\Program
Files\\dotnet\\shared\\Microsoft.AspNetCore.All]
...
Microsoft.NETCore.App 2.1.0 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]
To install additional .NET Core runtimes or SDKs:
https://aka.ms/dotnet-download
回答7:
Thank you for this post which was quite useful. I had to tweak it a little in order to check for framework 2.0 because the registry key cannot be converted straightaway to a double. Here is the code:
string[] version_names = rk.GetSubKeyNames();
//version names start with \'v\', eg, \'v3.5\'
//we also need to take care of strings like v2.0.50727...
string sCurrent = version_names[version_names.Length - 1].Remove(0, 1);
if (sCurrent.LastIndexOf(\".\") > 1)
{
string[] sSplit = sCurrent.Split(\'.\');
sCurrent = sSplit[0] + \".\" + sSplit[1] + sSplit[2];
}
double dCurrent = Convert.ToDouble(sCurrent, System.Globalization.CultureInfo.InvariantCulture);
double dExpected = Convert.ToDouble(sExpectedVersion);
if (dCurrent >= dExpected)
回答8:
public class DA
{
public static class VersionNetFramework
{
public static string GetVersion()
{
return Environment.Version.ToString();
}
public static string GetVersionDicription()
{
int Major = Environment.Version.Major;
int Minor = Environment.Version.Minor;
int Build = Environment.Version.Build;
int Revision = Environment.Version.Revision;
//http://dzaebel.net/NetVersionen.htm
//http://stackoverflow.com/questions/12971881/how-to-reliably-detect-the-actual-net-4-5-version-installed
//4.0.30319.42000 = .NET 4.6 on Windows 8.1 64 - bit
if ((Major >=4) && (Minor >=0) && (Build >= 30319) && (Revision >= 42000))
return @\".NET 4.6 on Windows 8.1 64 - bit or later\";
//4.0.30319.34209 = .NET 4.5.2 on Windows 8.1 64 - bit
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 34209))
return @\".NET 4.5.2 on Windows 8.1 64 - bit or later\";
//4.0.30319.34209 = .NET 4.5.2 on Windows 7 SP1 64 - bit
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 34209))
return @\".NET 4.5.2 on Windows 7 SP1 64 - bit or later\";
//4.0.30319.34014 = .NET 4.5.1 on Windows 8.1 64 - bit
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 34014))
return @\".NET 4.5.1 on Windows 8.1 64 - bit or later\";
//4.0.30319.18444 = .NET 4.5.1 on Windows 7 SP1 64 - bit(with MS14 - 009 security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 18444))
return @\".NET 4.5.1 on Windows 7 SP1 64 - bit(with MS14 - 009 security update) or later\";
//4.0.30319.18408 = .NET 4.5.1 on Windows 7 SP1 64 - bit
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 18408))
return @\".NET 4.5.1 on Windows 7 SP1 64 - bit or later\";
//4.0.30319.18063 = .NET 4.5 on Windows 7 SP1 64 - bit(with MS14 - 009 security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 18063))
return @\".NET 4.5 on Windows 7 SP1 64 - bit(with MS14 - 009 security update) or later\";
//4.0.30319.18052 = .NET 4.5 on Windows 7 SP1 64 - bit
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 18052))
return @\".NET 4.5 on Windows 7 SP1 64 - bit or later\";
//4.0.30319.18010 = .NET 4.5 on Windows 8
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 18010))
return @\".NET 4.5 on Windows 8 or later\";
//4.0.30319.17929 = .NET 4.5 RTM
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 17929))
return @\".NET 4.5 RTM or later\";
//4.0.30319.17626 = .NET 4.5 RC
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 17626))
return @\".NET 4.5 RC or later\";
//4.0.30319.17020.NET 4.5 Preview, September 2011
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 17020))
return @\".NET 4.5 Preview, September 2011 or later\";
//4.0.30319.2034 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 009 LDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 2034))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 009 LDR security update) or later\";
//4.0.30319.1026 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 057 GDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 1026))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 057 GDR security update) or later\";
//4.0.30319.1022 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 009 GDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 1022))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS14 - 009 GDR security update) or later\";
//4.0.30319.1008 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS13 - 052 GDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 1008))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS13 - 052 GDR security update) or later\";
//4.0.30319.544 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS12 - 035 LDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 544))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS12 - 035 LDR security update) or later\";
//4.0.30319.447 yes built by: RTMLDR, .NET 4.0 Platform Update 1, April 2011
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 447))
return @\"built by: RTMLDR, .NET 4.0 Platform Update 1, April 2011 or later\";
//4.0.30319.431 yes built by: RTMLDR, .NET 4.0 GDR Update, March 2011 / with VS 2010 SP1 / or.NET 4.0 Update
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 431))
return @\"built by: RTMLDR, .NET 4.0 GDR Update, March 2011 / with VS 2010 SP1 / or.NET 4.0 Update or later\";
//4.0.30319.296 = .NET 4.0 on Windows XP SP3, 7(with MS12 - 074 GDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 296))
return @\".NET 4.0 on Windows XP SP3, 7(with MS12 - 074 GDR security update) or later\";
//4.0.30319.276 = .NET 4.0 on Windows XP SP3 (4.0.3 Runtime update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 276))
return @\".NET 4.0 on Windows XP SP3 (4.0.3 Runtime update) or later\";
//4.0.30319.269 = .NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS12 - 035 GDR security update)
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 269))
return @\".NET 4.0 on Windows XP SP3, 7, 7 SP1(with MS12 - 035 GDR security update) or later\";
//4.0.30319.1 yes built by: RTMRel, .NET 4.0 RTM Release, April 2010
if ((Major >= 4) && (Minor >= 0) && (Build >= 30319) && (Revision >= 1))
return @\"built by: RTMRel, .NET 4.0 RTM Release, April 2010 or later\";
//4.0.30128.1 built by: RC1Rel, .NET 4.0 Release Candidate, Feb 2010
if ((Major >=4) && (Minor >=0) && (Build >= 30128) && (Revision >= 1))
return @\"built by: RC1Rel, .NET 4.0 Release Candidate, Feb 2010 or later\";
//4.0.21006.1 built by: B2Rel, .NET 4.0 Beta2, Oct 2009
if ((Major >=4) && (Minor >=0) && (Build >= 21006) && (Revision >=1))
return @\"built by: B2Rel, .NET 4.0 Beta2, Oct 2009 or later\";
//4.0.20506.1 built by: Beta1, .NET 4.0 Beta1, May 2009
if ((Major >=4) && (Minor >=0) && (Build >= 20506) && (Revision >=1))
return @\"built by: Beta1, .NET 4.0 Beta1, May 2009 or later\";
//4.0.11001.1 built by: CTP2 VPC, .NET 4.0 CTP, October 2008
if ((Major >=4) && (Minor >=0) && (Build >= 11001) && (Revision >=1))
return @\"built by: CTP2 VPC, .NET 4.0 CTP, October 2008 or later\";
//3.5.30729.5420 yes built by: Win7SP1, .NET 3.5.1 Sicherheits - Update, 12 April 2011
if ((Major >=3) && (Minor >=5) && (Build >= 30729) && (Revision >= 5420))
return @\"built by: Win7SP1, .NET 3.5.1 Sicherheits - Update, 12 April 2011 or later\";
//3.5.30729.5004 yes built by: NetFXw7 / Windows 7..Rel., Jan 2010 / +Data functions KB976127 .NET 3.5 SP1
if ((Major >=3) && (Minor >=5) && (Build >= 30729) && (Revision >= 5004))
return @\"built by: NetFXw7 / Windows 7..Rel., Jan 2010 / +Data functions KB976127 .NET 3.5 SP1 or later\";
//3.5.30729.4466 yes built by: NetFXw7 / Windows XP..Rel. , Jan 2010 / +Data functions KB976127 .NET 3.5 SP1
if ((Major >=3) && (Minor >=5) && (Build >= 30729) && (Revision >= 4466))
return @\"built by: NetFXw7 / Windows XP..Rel. , Jan 2010 / +Data functions KB976127 .NET 3.5 SP1 or later\";
//3.5.30729.4926 yes built by: NetFXw7 / Windows 7 Release, Oct 2009 / .NET 3.5 SP1 + Hotfixes
if ((Major >=3) && (Minor >=5) && (Build >= 30729) && (Revision >= 4926))
return @\"built by: NetFXw7 / Windows 7 Release, Oct 2009 / .NET 3.5 SP1 + Hotfixes or later\";
//3.5.30729.4918 built by: NetFXw7 / Windows 7 Release Candidate, June 2009
if ((Major >=3) && (Minor >=5) && (Build >= 30729) && (Revision >= 4918))
return @\"built by: NetFXw7 / Windows 7 Release Candidate, June 2009 or later\";
//3.5.30729.196 yes built by: QFE, .NET 3.5 Family Update Vista / W2008, Dec 2008
if ((Major >= 3) && (Minor >= 5) && (Build >= 30729) && (Revision >=196))
return @\"built by: QFE, .NET 3.5 Family Update Vista / W2008, Dec 2008 or later\";
//3.5.30729.1 yes built by: SP, .NET 3.5 SP1, Aug 2008
if ((Major >= 3) && (Minor >= 5) && (Build >= 30729) && (Revision >=1))
return @\"built by: SP, .NET 3.5 SP1, Aug 2008 or later\";
//3.5.30428.1 built by: SP1Beta1, .NET 3.5 SP1 BETA1, May 2008
if ((Major >=3) && (Minor >=5) && (Build >= 30428) && (Revision >=1))
return @\"built by: SP1Beta1, .NET 3.5 SP1 BETA1, May 2008 or later\";
//3.5.21022.8 yes built by: RTM, Jan 2008
if ((Major >=3) && (Minor >=5) && (Build >= 21022) && (Revision >= 8))
return @\"built by: RTM, Jan 2008 or later\";
//3.5.20706.1 built by: Beta2, Orcas Beta2, Oct 2007
if ((Major >=3) && (Minor >=5) && (Build >= 20706) && (Revision >= 1))
return @\"built by: Beta2, Orcas Beta2, Oct 2007 or later\";
//3.5.20526.0 built by: MCritCTP, Orcas Beta1, Mar 2007
if ((Major >=3) && (Minor >=5) && (Build >= 20526) && (Revision >=0))
return @\"built by: MCritCTP, Orcas Beta1, Mar 2007 or later\";
//3.0.6920.1500 yes built by: QFE, Family Update Vista / W2008, Dez 2008, KB958483
if ((Major >=3) && (Minor >=0) && (Build >= 6920) && (Revision >= 1500))
return @\"built by: QFE, Family Update Vista / W2008, Dez 2008, KB958483 or later\";
//3.0.4506.4926 yes(NetFXw7.030729 - 4900) / Windows 7 Release, Oct 2009
if ((Major >=3) && (Minor >=0) && (Build >= 4506) && (Revision >= 4926))
return @\"(NetFXw7.030729 - 4900) / Windows 7 Release, Oct 2009 or later\";
//3.0.4506.4918(NetFXw7.030729 - 4900) / Windows 7 Release Candidate, June 2009
if ((Major >=3) && (Minor >=5) && (Build >= 4506) && (Revision >= 4918))
return @\"(NetFXw7.030729 - 4900) / Windows 7 Release Candidate, June 2009 or later\";
//3.0.4506.2152 3.0.4506.2152(SP.030729 - 0100) / .NET 4.0 Beta1 / May 2009
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 2152))
return @\"3.0.4506.2152(SP.030729 - 0100) / .NET 4.0 Beta1 / May 2009 or later\";
//3.0.4506.2123 yes(NetFX.030618 - 0000).NET 3.0 SP2, Aug 2008
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 2123))
return @\"s(NetFX.030618 - 0000).NET 3.0 SP2, Aug 2008 or later\";
//3.0.4506.2062(SP1Beta1.030428 - 0100), .NET 3.0 SP1 BETA1, May 2008
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 2062))
return @\"(SP1Beta1.030428 - 0100), .NET 3.0 SP1 BETA1, May 2008 or later\";
//3.0.4506.590(winfxredb2.004506 - 0590), Orcas Beta2, Oct 2007
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 590))
return @\"(winfxredb2.004506 - 0590), Orcas Beta2, Oct 2007 or later\";
//3.0.4506.577(winfxred.004506 - 0577), Orcas Beta1, Mar 2007
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 577))
return @\"(winfxred.004506 - 0577), Orcas Beta1, Mar 2007 or later\";
//3.0.4506.30 yes Release (.NET Framework 3.0) Nov 2006
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 30))
return @\"Release (.NET Framework 3.0) Nov 2006 or later\";
//3.0.4506.25 yes(WAPRTM.004506 - 0026) Vista Ultimate, Jan 2007
if ((Major >= 3) && (Minor >= 5) && (Build >= 4506) && (Revision >= 25))
return @\"(WAPRTM.004506 - 0026) Vista Ultimate, Jan 2007 or later\";
//2.0.50727.4927 yes(NetFXspW7.050727 - 4900) / Windows 7 Release, Oct 2009
if ((Major >=2) && (Minor >=0) && (Build >= 50727) && (Revision >= 4927))
return @\"(NetFXspW7.050727 - 4900) / Windows 7 Release, Oct 2009 or later\";
//2.0.50727.4918(NetFXspW7.050727 - 4900) / Windows 7 Release Candidate, June 2009
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 4918))
return @\"(NetFXspW7.050727 - 4900) / Windows 7 Release Candidate, June 2009 or later\";
//2.0.50727.4200 yes(NetFxQFE.050727 - 4200).NET 2.0 SP2, KB974470, Securityupdate, Oct 2009
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 4200))
return @\"(NetFxQFE.050727 - 4200).NET 2.0 SP2, KB974470, Securityupdate, Oct 2009 or later\";
//2.0.50727.3603(GDR.050727 - 3600).NET 4.0 Beta 2, Oct 2009
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 3603))
return @\"(GDR.050727 - 3600).NET 4.0 Beta 2, Oct 2009 or later\";
//2.0.50727.3082 yes(QFE.050727 - 3000), .NET 3.5 Family Update XP / W2003, Dez 2008, KB958481
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 3082))
return @\"(QFE.050727 - 3000), .NET 3.5 Family Update XP / W2003, Dez 2008, KB958481 or later\";
//2.0.50727.3074 yes(QFE.050727 - 3000), .NET 3.5 Family Update Vista / W2008, Dez 2008, KB958481
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 3074))
return @\"(QFE.050727 - 3000), .NET 3.5 Family Update Vista / W2008, Dez 2008, KB958481 or later\";
//2.0.50727.3053 yes(netfxsp.050727 - 3000), .NET 2.0 SP2, Aug 2008
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 3053))
return @\"yes(netfxsp.050727 - 3000), .NET 2.0 SP2, Aug 2008 or later\";
//2.0.50727.3031(netfxsp.050727 - 3000), .NET 2.0 SP2 Beta 1, May 2008
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 3031))
return @\"(netfxsp.050727 - 3000), .NET 2.0 SP2 Beta 1, May 2008 or later\";
//2.0.50727.1434 yes(REDBITS.050727 - 1400), Windows Server 2008 and Windows Vista SP1, Dez 2007
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 1434))
return @\"(REDBITS.050727 - 1400), Windows Server 2008 and Windows Vista SP1, Dez 2007 or later\";
//2.0.50727.1433 yes(REDBITS.050727 - 1400), .NET 2.0 SP1 Release, Nov 2007, http://www.microsoft.com/downloads/details.aspx?FamilyID=79bc3b77-e02c-4ad3-aacf-a7633f706ba5
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 1433))
return @\"(REDBITS.050727 - 1400), .NET 2.0 SP1 Release, Nov 2007 or later\";
//2.0.50727.1378(REDBITSB2.050727 - 1300), Orcas Beta2, Oct 2007
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 1378))
return @\"(REDBITSB2.050727 - 1300), Orcas Beta2, Oct 2007 or later\";
//2.0.50727.1366(REDBITS.050727 - 1300), Orcas Beta1, Mar 2007
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 1366))
return @\"(REDBITS.050727 - 1300), Orcas Beta1, Mar 2007 or later\";
//2.0.50727.867 yes(VS Express Edition 2005 SP1), Apr 2007, http://www.microsoft.com/downloads/details.aspx?FamilyId=7B0B0339-613A-46E6-AB4D-080D4D4A8C4E
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 867))
return @\"(VS Express Edition 2005 SP1), Apr 2007 or later\";
//2.0.50727.832(Fix x86 VC++2005), Apr 2007, http://support.microsoft.com/kb/934586/en-us
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 832))
return @\"(Fix x86 VC++2005), Apr 2007 or later\";
//2.0.50727.762 yes(VS TeamSuite SP1), http://www.microsoft.com/downloads/details.aspx?FamilyId=BB4A75AB-E2D4-4C96-B39D-37BAF6B5B1DC
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 762))
return @\"(VS TeamSuite SP1) or later\";
//2.0.50727.312 yes(rtmLHS.050727 - 3100) Vista Ultimate, Jan 2007
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 312))
return @\"(rtmLHS.050727 - 3100) Vista Ultimate, Jan 2007 or later\";
//2.0.50727.42 yes Release (.NET Framework 2.0) Oct 2005
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 42))
return @\"Release (.NET Framework 2.0) Oct 2005 or later\";
//2.0.50727.26 Version 2.0(Visual Studio Team System 2005 Release Candidate) Oct 2005
if ((Major >= 2) && (Minor >= 0) && (Build >= 50727) && (Revision >= 26))
return @\"Version 2.0(Visual Studio Team System 2005 Release Candidate) Oct 2005 or later\";
//2.0.50712 Version 2.0(Visual Studio Team System 2005(Drop3) CTP) July 2005
if ((Major >=2) && (Minor >=0) && (Build >= 50712))
return @\"Version 2.0(Visual Studio Team System 2005(Drop3) CTP) July 2005 or later\";
//2.0.50215 Version 2.0(WinFX SDK for Indigo / Avalon 2005 CTP) July 2005
if ((Major >=2) && (Minor >=0) && (Build >= 50215))
return @\"Version 2.0(WinFX SDK for Indigo / Avalon 2005 CTP) July 2005 or later\";
//2.0.50601.0 Version 2.0(Visual Studio.NET 2005 CTP) June 2005
if ((Major >=2) && (Minor >=0) && (Build >= 50601) && (Revision >=0))
return @\"Version 2.0(Visual Studio.NET 2005 CTP) June 2005 or later\";
//2.0.50215.44 Version 2.0(Visual Studio.NET 2005 Beta 2, Visual Studio Express Beta 2) Apr 2005
if ((Major >=2) && (Minor >=0) && (Build >= 50215) && (Revision >= 44))
return @\"Version 2.0(Visual Studio.NET 2005 Beta 2, Visual Studio Express Beta 2) Apr 2005 or later\";
//2.0.50110.28 Version 2.0(Visual Studio.NET 2005 CTP, Professional Edition) Feb 2005
if ((Major >=2) && (Minor >=0) && (Build >= 50110) && (Revision >=28))
return @\"Version 2.0(Visual Studio.NET 2005 CTP, Professional Edition) Feb 2005 or later\";
//2.0.41115.19 Version 2.0(Visual Studio.NET 2005 Beta 1, Team System Refresh) Dec 2004
if ((Major >=2 ) && (Minor >=0 ) && (Build >= 41115) && (Revision >= 19))
return @\"Version 2.0(Visual Studio.NET 2005 Beta 1, Team System Refresh) Dec 2004 or later\";
//2.0.40903.0 Version 2.0(Whidbey CTP, Visual Studio Express) Oct 2004
if ((Major >=2) && (Minor >=0) && (Build >= 40903) && (Revision >=0))
return @\"Version 2.0(Whidbey CTP, Visual Studio Express) Oct 2004 or later\";
//2.0.40607.85 Version 2.0(Visual Studio.NET 2005 Beta 1, Team System Refresh) Aug 2004 *
if ((Major >=2) && (Minor >=0) && (Build >= 40607) && (Revision >= 85))
return @\"Version 2.0(Visual Studio.NET 2005 Beta 1, Team System Refresh) Aug 2004 * or later\";
//2.0.40607.42 Version 2.0(SQL Server Yukon Beta 2) July 2004
if ((Major >=2) && (Minor >=0) && (Build >= 40607) && (Revision >= 42))
return @\"Version 2.0(SQL Server Yukon Beta 2) July 2004 or later\";
//2.0.40607.16 Version 2.0(Visual Studio.NET 2005 Beta 1, TechEd Europe 2004) June 2004
if ((Major >=2) && (Minor >=0) && (Build >= 40607) && (Revision >= 16))
return @\"Version 2.0(Visual Studio.NET 2005 Beta 1, TechEd Europe 2004) June 2004 or later\";
//2.0.40301.9 Version 2.0(Whidbey CTP, WinHEC 2004) March 2004 *
if ((Major >=0) && (Minor >=0) && (Build >= 40301) && (Revision >=9))
return @\"Version 2.0(Whidbey CTP, WinHEC 2004) March 2004 * or later\";
//1.2.30703.27 Version 1.2(Whidbey Alpha, PDC 2004) Nov 2003 *
if ((Major >=1) && (Minor >=2) && (Build >= 30703) && (Revision >= 27))
return @\"Version 1.2(Whidbey Alpha, PDC 2004) Nov 2003 * or later\";
//1.2.21213.1 Version 1.2(Whidbey pre - Alpha build) *
if ((Major >=1) && (Minor >=2) && (Build >= 21213) && (Revision >=1))
return @\"Version 1.2(Whidbey pre - Alpha build) * or later\";
//1.1.4322.2443 yes Version 1.1 Servicepack 1, KB953297, Oct 2009
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >=2443))
return @\"Version 1.1 Servicepack 1, KB953297, Oct 2009 or later\";
//1.1.4322.2407 yes Version 1.1 RTM
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 2407))
return @\"Version 1.1 RTM or later\";
//1.1.4322.2407 Version 1.1 Orcas Beta2, Oct 2007
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 2407))
return @\"Version 1.1 Orcas Beta2, Oct 2007 or later\";
//1.1.4322.2379 Version 1.1 Orcas Beta1, Mar 2007
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 2379))
return @\"Version 1.1 Orcas Beta1, Mar 2007 or later\";
//1.1.4322.2032 yes Version 1.1 SP1 Aug 2004
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 2032))
return @\"Version 1.1 SP1 Aug 2004 or later\";
//1.1.4322.573 yes Version 1.1 RTM(Visual Studio.NET 2003 / Windows Server 2003) Feb 2003 *
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 573))
return @\"Version 1.1 RTM(Visual Studio.NET 2003 / Windows Server 2003) Feb 2003 * or later\";
//1.1.4322.510 Version 1.1 Final Beta Oct 2002 *
if ((Major >=1) && (Minor >=1) && (Build >= 4322) && (Revision >= 510))
return @\"Version 1.1 Final Beta Oct 2002 * or later\";
//1.0.3705.6018 yes Version 1.0 SP3 Aug 2004
if ((Major >=1) && (Minor >=0) && (Build >= 3705) && (Revision >= 6018))
return @\"Version 1.0 SP3 Aug 2004 or later\";
//1.0.3705.288 yes Version 1.0 SP2 Aug 2002 *
if ((Major >=1) && (Minor >=0) && (Build >= 3705) && (Revision >= 288))
return @\"Version 1.0 SP2 Aug 2002 * or later\";
//1.0.3705.209 yes Version 1.0 SP1 Mar 2002 *
if ((Major >=1) && (Minor >=0) && (Build >= 3705) && (Revision >=209))
return @\"Version 1.0 SP1 Mar 2002 * or later\";
//1.0.3705.0 yes Version 1.0 RTM(Visual Studio.NET 2002) Feb 2002 *
if ((Major >=1) && (Minor >=0) && (Build >= 3705) && (Revision >=0))
return @\"Version 1.0 RTM(Visual Studio.NET 2002) Feb 2002 * or later\";
//1.0.3512.0 Version 1.0 Pre - release RC3(Visual Studio.NET 2002 RC3)
if ((Major >=1) && (Minor >=0) && (Build >= 3512) && (Revision >=0))
return @\"Version 1.0 Pre - release RC3(Visual Studio.NET 2002 RC3) or later\";
//1.0.2914.16 Version 1.0 Public Beta 2 Jun 2001 *
if ((Major >=1) && (Minor >=0) && (Build >= 2914) && (Revision >= 16))
return @\"Version 1.0 Public Beta 2 Jun 2001 * or later\";
//1.0.2204.21 Version 1.0 Public Beta 1 Nov 2000 *
if ((Major >=1) && (Minor >=0) && (Build >= 2204) && (Revision >=21))
return @\"Version 1.0 Public Beta 1 Nov 2000 * or later\";
return @\"Unknown .NET version\";
}
}
}
回答9:
public class DA {
public static class VersionNetFramework {
public static string Get45or451FromRegistry()
{//https://msdn.microsoft.com/en-us/library/hh925568(v=vs.110).aspx
using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(\"SOFTWARE\\\\Microsoft\\\\NET Framework Setup\\\\NDP\\\\v4\\\\Full\\\\\"))
{
int releaseKey = Convert.ToInt32(ndpKey.GetValue(\"Release\"));
if (true)
{
return (@\"Version: \" + CheckFor45DotVersion(releaseKey));
}
}
}
// Checking the version using >= will enable forward compatibility,
// however you should always compile your code on newer versions of
// the framework to ensure your app works the same.
private static string CheckFor45DotVersion(int releaseKey)
{//https://msdn.microsoft.com/en-us/library/hh925568(v=vs.110).aspx
if (releaseKey >= 394271)
return \"4.6.1 installed on all other Windows OS versions or later\";
if (releaseKey >= 394254)
return \"4.6.1 installed on Windows 10 or later\";
if (releaseKey >= 393297)
return \"4.6 installed on all other Windows OS versions or later\";
if (releaseKey >= 393295)
return \"4.6 installed with Windows 10 or later\";
if (releaseKey >= 379893)
return \"4.5.2 or later\";
if (releaseKey >= 378758)
return \"4.5.1 installed on Windows 8, Windows 7 SP1, or Windows Vista SP2 or later\";
if (releaseKey >= 378675)
return \"4.5.1 installed with Windows 8.1 or later\";
if (releaseKey >= 378389)
return \"4.5 or later\";
return \"No 4.5 or later version detected\";
}
public static string GetVersionFromRegistry()
{//https://msdn.microsoft.com/en-us/library/hh925568(v=vs.110).aspx
string res = @\"\";
// Opens the registry key for the .NET Framework entry.
using (RegistryKey ndpKey =
RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, \"\").
OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
{
// As an alternative, if you know the computers you will query are running .NET Framework 4.5
// or later, you can use:
// using (RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine,
// RegistryView.Registry32).OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
foreach (string versionKeyName in ndpKey.GetSubKeyNames())
{
if (versionKeyName.StartsWith(\"v\"))
{
RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
string name = (string)versionKey.GetValue(\"Version\", \"\");
string sp = versionKey.GetValue(\"SP\", \"\").ToString();
string install = versionKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\") //no install info, must be later.
res += (versionKeyName + \" \" + name) + Environment.NewLine;
else
{
if (sp != \"\" && install == \"1\")
{
res += (versionKeyName + \" \" + name + \" SP\" + sp) + Environment.NewLine;
}
}
if (name != \"\")
{
continue;
}
foreach (string subKeyName in versionKey.GetSubKeyNames())
{
RegistryKey subKey = versionKey.OpenSubKey(subKeyName);
name = (string)subKey.GetValue(\"Version\", \"\");
if (name != \"\")
sp = subKey.GetValue(\"SP\", \"\").ToString();
install = subKey.GetValue(\"Install\", \"\").ToString();
if (install == \"\") //no install info, must be later.
res += (versionKeyName + \" \" + name) + Environment.NewLine;
else
{
if (sp != \"\" && install == \"1\")
{
res += (\" \" + subKeyName + \" \" + name + \" SP\" + sp) + Environment.NewLine;
}
else if (install == \"1\")
{
res += (\" \" + subKeyName + \" \" + name) + Environment.NewLine;
}
}
}
}
}
}
return res;
}
public static string GetUpdateHistory()
{//https://msdn.microsoft.com/en-us/library/hh925567(v=vs.110).aspx
string res=@\"\";
using (RegistryKey baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(@\"SOFTWARE\\Microsoft\\Updates\"))
{
foreach (string baseKeyName in baseKey.GetSubKeyNames())
{
if (baseKeyName.Contains(\".NET Framework\") || baseKeyName.StartsWith(\"KB\") || baseKeyName.Contains(\".NETFramework\"))
{
using (RegistryKey updateKey = baseKey.OpenSubKey(baseKeyName))
{
string name = (string)updateKey.GetValue(\"PackageName\", \"\");
res += baseKeyName + \" \" + name + Environment.NewLine;
foreach (string kbKeyName in updateKey.GetSubKeyNames())
{
using (RegistryKey kbKey = updateKey.OpenSubKey(kbKeyName))
{
name = (string)kbKey.GetValue(\"PackageName\", \"\");
res += (\" \" + kbKeyName + \" \" + name) + Environment.NewLine;
if (kbKey.SubKeyCount > 0)
{
foreach (string sbKeyName in kbKey.GetSubKeyNames())
{
using (RegistryKey sbSubKey = kbKey.OpenSubKey(sbKeyName))
{
name = (string)sbSubKey.GetValue(\"PackageName\", \"\");
if (name == \"\")
name = (string)sbSubKey.GetValue(\"Description\", \"\");
res += (\" \" + sbKeyName + \" \" + name) + Environment.NewLine;
}
}
}
}
}
}
}
}
}
return res;
}
}
using class DA.VersionNetFramework
private void Form1_Shown(object sender, EventArgs e)
{
//
// Current OS Information
//
richTextBox1.Text = @\"Current OS Information:\";
richTextBox1.AppendText(Environment.NewLine +
\"Machine Name: \" + Environment.MachineName);
richTextBox1.AppendText(Environment.NewLine +
\"Platform: \" + Environment.OSVersion.Platform.ToString());
richTextBox1.AppendText(Environment.NewLine +
Environment.OSVersion);
//
// .NET Framework Environment Information
//
richTextBox1.AppendText(Environment.NewLine + Environment.NewLine +
\".NET Framework Environment Information:\");
richTextBox1.AppendText(Environment.NewLine +
\"Environment.Version \" + Environment.Version);
richTextBox1.AppendText(Environment.NewLine +
DA.VersionNetFramework.GetVersionDicription());
//
// .NET Framework Information From Registry
//
richTextBox1.AppendText(Environment.NewLine + Environment.NewLine +
\".NET Framework Information From Registry:\");
richTextBox1.AppendText(Environment.NewLine +
DA.VersionNetFramework.GetVersionFromRegistry());
//
// .NET Framework 4.5 or later Information From Registry
//
richTextBox1.AppendText(Environment.NewLine +
\".NET Framework 4.5 or later Information From Registry:\");
richTextBox1.AppendText(Environment.NewLine +
DA.VersionNetFramework.Get45or451FromRegistry());
//
// Update History
//
richTextBox1.AppendText(Environment.NewLine + Environment.NewLine +
\"Update History\");
richTextBox1.AppendText(Environment.NewLine +
DA.VersionNetFramework.GetUpdateHistory());
//
// Setting Cursor to first character of textbox
//
if (!richTextBox1.Text.Equals(\"\"))
{
richTextBox1.SelectionStart = 1;
}
}
Result:
Current OS Information: Machine Name: D1 Platform: Win32NT Microsoft Windows NT 6.2.9200.0
.NET Framework Environment Information: Environment.Version 4.0.30319.42000 .NET 4.6 on Windows 8.1 64 - bit or later
.NET Framework Information From Registry: v2.0.50727 2.0.50727.4927 SP2 v3.0 3.0.30729.4926 SP2 v3.5 3.5.30729.4926 SP1
v4
Client 4.6.00079
Full 4.6.00079
v4.0
Client 4.0.0.0
.NET Framework 4.5 or later Information From Registry: Version: 4.6 installed with Windows 10 or later
Update History
Microsoft .NET Framework 4 Client Profile
KB2468871
KB2468871v2
KB2478063
KB2533523
KB2544514
KB2600211
KB2600217
Microsoft .NET Framework 4 Extended
KB2468871
KB2468871v2
KB2478063
KB2533523
KB2544514
KB2600211
KB2600217
Microsoft .NET Framework 4 Multi-Targeting Pack
KB2504637 Update for (KB2504637)
回答10:
I have changed Matt\'s class so it can be reused in any project without printing all its checks on Console and returning a simple string with correct max version installed.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Win32;
namespace MyNamespace
{
public class DotNetVersion
{
protected bool printVerification;
public DotNetVersion(){
this.printVerification=false;
}
public DotNetVersion(bool printVerification){
this.printVerification=printVerification;
}
public string getDotNetVersion(){
string maxDotNetVersion = getVersionFromRegistry();
if(String.Compare(maxDotNetVersion, \"4.5\") >= 0){
string v45Plus = get45PlusFromRegistry();
if(!string.IsNullOrWhiteSpace(v45Plus)) maxDotNetVersion = v45Plus;
}
log(\"*** Maximum .NET version number found is: \" + maxDotNetVersion + \"***\");
return maxDotNetVersion;
}
protected string get45PlusFromRegistry(){
String dotNetVersion = \"\";
const string subkey = @\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\v4\\Full\\\";
using(RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32).OpenSubKey(subkey)){
if(ndpKey != null && ndpKey.GetValue(\"Release\") != null){
dotNetVersion = checkFor45PlusVersion((int)ndpKey.GetValue(\"Release\"));
log(\".NET Framework Version: \" + dotNetVersion);
}else{
log(\".NET Framework Version 4.5 or later is not detected.\");
}
}
return dotNetVersion;
}
// Checking the version using >= will enable forward compatibility.
protected string checkFor45PlusVersion(int releaseKey){
if(releaseKey >= 461308) return \"4.7.1 or later\";
if(releaseKey >= 460798) return \"4.7\";
if(releaseKey >= 394802) return \"4.6.2\";
if(releaseKey >= 394254) return \"4.6.1\";
if(releaseKey >= 393295) return \"4.6\";
if((releaseKey >= 379893)) return \"4.5.2\";
if((releaseKey >= 378675)) return \"4.5.1\";
if((releaseKey >= 378389)) return \"4.5\";
// This code should never execute. A non-null release key should mean
// that 4.5 or later is installed.
log(\"No 4.5 or later version detected\");
return \"\";
}
protected string getVersionFromRegistry(){
String maxDotNetVersion = \"\";
// Opens the registry key for the .NET Framework entry.
using(RegistryKey ndpKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, \"\")
.OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\")){
// As an alternative, if you know the computers you will query are running .NET Framework 4.5
// or later, you can use:
// using(RegistryKey ndpKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine,
// RegistryView.Registry32).OpenSubKey(@\"SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\\"))
string[] subKeyNnames = ndpKey.GetSubKeyNames();
foreach(string versionKeyName in subKeyNnames){
if(versionKeyName.StartsWith(\"v\")){
RegistryKey versionKey = ndpKey.OpenSubKey(versionKeyName);
string name =(string)versionKey.GetValue(\"Version\", \"\");
string sp = versionKey.GetValue(\"SP\", \"\").ToString();
string install = versionKey.GetValue(\"Install\", \"\").ToString();
if(string.IsNullOrWhiteSpace(install)){ //no install info, must be later.
log(versionKeyName + \" \" + name);
if(String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}else{
if(!string.IsNullOrWhiteSpace(sp) && \"1\".Equals(install)){
log(versionKeyName + \" \" + name + \" SP\" + sp);
if(String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}
}
if(!string.IsNullOrWhiteSpace(name)){
continue;
}
string[] subKeyNames = versionKey.GetSubKeyNames();
foreach(string subKeyName in subKeyNames){
RegistryKey subKey = versionKey.OpenSubKey(subKeyName);
name =(string)subKey.GetValue(\"Version\", \"\");
if(!string.IsNullOrWhiteSpace(name)){
sp = subKey.GetValue(\"SP\", \"\").ToString();
}
install = subKey.GetValue(\"Install\", \"\").ToString();
if(string.IsNullOrWhiteSpace(install)){
//no install info, must be later.
log(versionKeyName + \" \" + name);
if(String.Compare(maxDotNetVersion, name) < 0) maxDotNetVersion = name;
}else{
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