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I have a vb.net Windows Forms app using the 4.0 framework. When I run the application on an XP machine, the color of my controls all match what the are set to in my IDE, which is also an XP machine.
When I run this application on a Windows 7 machine, the colors are all changed.
Any ideas why this is and how I can make Windows 7 match my Development machine?
David
I found this too. My VB6 project was fine in Windows XP. I just moved to Windows 7 and copied the project folder to this machine. My splashscreen backcolour was supposed to be white but it was black now. The backcolour had been set to &H80000009& which was white in winXP but in Windows 7 it gives black. So I changed backcolour to &H80000005& and it is now white again.
Windows forms are going to take on whatever "theme" the machine they are running on has enabled - which is by design. Honestly, it wouldn't make sense for a windows form running on Windows 7 to look like an XP windows form. Could you give some sort of context for why you want your windows form to look like it's always running on XP?
You can use the BackColor property of the button to change the background color. The ForeColor property will change the text color.
Edit: added the below after playing around some.
Try ensuring the "UseVisualStyleBackColor" property on your button is set to False. Playing around I noticed that when this is true, the system ignores my background color selection and uses the machine default. When False, my background color was used.