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How debug ActiveX komponents?

Posted on 2000-04-17
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Last Modified: 2013-11-25
How can I debug ActiveX komponents in VB6.
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Question by:mikibenek
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brice123 earned 150 total points
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To debug an out-of-process component (ActiveX EXE)

1. Set breakpoints and watch expressions as needed in your class module code.

2. Run the component project by pressing CTRL+F5 or clicking Start With Full Compile on the Run menu.
The component will compile, but Sub Main will not run until the first object is created in response to a client request.

3. Start a second instance of Visual Basic, and open your test project. Set breakpoints and watch expressions as needed.

4. Run the test project. When a breakpoint is encountered in the component code, the component project receives focus.

Note  
When an out-of-process component enters break mode, focus may not immediately switch to the component project. If you click anywhere on the client, the Component Busy dialog box will be displayed. Click Switch To button to give the focus to the component project.

When you’re finished with the debugging session, close your test project before stopping the component.
Important   If you stop the component project before closing your test project, all of the objects the component was providing will be destroyed. Your test project may get errors when you try to close it.

To debug an in-process component (ActiveX DLL and controls)

1. Set breakpoints and watch expressions as needed in your class module or UserControl code.

2. Run the project group by pressing CTRL+F5 or clicking Start With Full Compile on the Run menu.
The in-process component will compile, but Sub Main will not run until the first object is created in response to a client request.

3. While debugging, you can step from the test project directly into code in the component project.

4. When you’re finished with the debugging session, click the Close button on test project’s main window to return to design mode.

Important  
Closing the test project by clicking the End button will cause all projects to close. Objects in the component will not receive Terminate events. Shutting down in this fashion will not correctly test the shutdown behavior of your component.

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