MFC window problems with .NET windows

Question

GDICommander 54 Posting Whiz in Training

13 Years Ago

Hello!

I have problems with modal MFC windows over 3dsMax.

I'm popping a MFC modal window over 3dsMax (I'm programming a plugin for 3dsMax, if you mind), so I can't click on any 3dsMax window button, because the modal window is here.

The modal window, by clicking on a button, then makes a .NET window appear on another application. The modal window is still there. (The communication between the plugin and the other application is done with COM.) The problem is the following: when the .NET window is closed, the MFC window seems to lose its modality. I can click on 3dsMax buttons and I don't want that.

Can you propose me solutions to this?

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GDICommander 54 Posting Whiz in Training · Answer 1 · 2010-07-16T20:40:42+00:00

I found a solution to my problem. It was a bug of EndDialog in MFC that reactivates the parent even if there is more modal windows still active and attached to the same parent.

See this page for more details:

http://www.codeproject.com/KB/dialog/notmodaldialogs.aspx?msg=3289022