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Question
ATL ActiveX control 'Control wants to be windowless'
I have written an ATL Control in Visual Studio 2005. The control works fine in a C# test app and even works fine in an MFC test app that runs on Windows Mobile.
However, If I write a simple MFC test application for windows and try it the output window contains "Control wants to be windowless". Nothing ever displays in the window.
I have searched for a solution to this but have not been able to find a suitable full solution. For example: http://www.experts-exchang
How do I fix this?
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by: harryscotterPosted on 2009-10-06 at 02:03:58ID: 25502993
Turns out this is only a one line change. But it was hard to find.
In the constructor for the ATL control I added the line:
m_bWindowOnly = TRUE;
Problem solved.