Graphic and text code details for developing ActiveX controls using C#

Activex control was also called ole control before. It is a software component or object supported by Microsoft IE. It can be inserted into a web page to implement dynamic program functions on the browser side to enhance dynamic processing on the browser side. ability. Usually activex controls are developed using c++ or vb language. This article introduces another way to develop activex controls using c# language.

Recently I have developed a function to use C# controls in Qt. The method used is to produce ActiveX controls through C# and use the ActiveX controls in Qt. This article briefly introduces how to use C# to generate ActiveX controls.

1. Create a WinForm UserControl project, select "Make assembly com visible" in the property page of the control

Assign Guid and add it to the control Go to GuidAttribute, the Guid defined here is the GUID of your ActiveX control

2. Compile and run, compile and run (requires administrator After setting the permission), you can simply test the control through the system's user control test container,

3. Publish the DLL

C#'s ActiveX control needs to be registered with the regasm program. The usage method is as follows:

Register regasm /codebase xxx.dll

Uninstall regasm /u xxx.dll

In addition, if the Dll depends on other Dlls, they should be released together.

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