What is the difference between AxInterop and Inter

2020-06-08 02:52发布

I've added an .ocx to the toolbox in VS. Two .dll's were created: Interop.NNN.dll, AxInterop.NNN.dll.

What is each one? Are they both required?

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我想做一个坏孩纸
2楼-- · 2020-06-08 03:41

Interop.xxx.dll and AxInterop.xxx.dll are runtime callable wrappers (RCW) for a referenced COM and an ActiveX dll respectively.

interop.xxx.dll is purely an automation (a COM dll) wrapper, enabling you to manipulate the object within the namespace of your application. AxInterop.xxx.dll is a control wrapper for a ActiveX control, which can be dragged onto the form.

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爷的心禁止访问
3楼-- · 2020-06-08 03:43

The AxFoo.dll assembly contains an automatically generated class that's derived from the System.Windows.Forms.AxHost control. It is pretty simple, it has methods, properties and events, the same ones you have available in the .ocx, that simply call the Foo.dll interop library.

So, yes, you definitely need to deploy both assemblies.

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