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Drop list is not shown [message #43858]

Mon, 10 November 2014 17:06

Mindtraveller is currently offline

Mindtraveller
Messages: 917
Registered: August 2007
Location: Russia, Moscow rgn.

Experienced Contributor

There's a complex application with two TopWindows.
First TopWindow is used as a main window. The second TopWindow is a settings window which is shown from time to time.
The main TopWindow is executed with Run() call.
The second TopWindow is executed with Execute().

The problem is starting with some U++ revision, drop-down lists in settings window is not shown after user clicks list boxes. Instead of that, only black horizontal line is drawn. But right after settings window is commanded to close, a drop-down list is immediately shown and then hidden.

I've captured screencast introducing this behavior:
http://www.youtube.com/watch?v=B1jCTFANojk
(sorry for the poor frame rate).

Does anyone have a clue why drop lists behave this way and how to fix it?

OS: Windows 7 SP1
U++: revision 7881

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[Message index]

		Drop list is not shown By: Mindtraveller on Mon, 10 November 2014 17:06
		Re: Drop list is not shown By: mirek on Wed, 12 November 2014 11:25
		Re: Drop list is not shown By: Mindtraveller on Wed, 12 November 2014 20:15
		Re: Drop list is not shown By: mirek on Thu, 13 November 2014 13:16
		Re: Drop list is not shown By: mirek on Thu, 13 November 2014 19:43
		Re: Drop list is not shown By: Mindtraveller on Thu, 13 November 2014 22:39
		Re: Drop list is not shown By: mirek on Fri, 14 November 2014 16:10
		Re: Drop list is not shown By: Mindtraveller on Sun, 16 November 2014 15:51
		Re: Drop list is not shown By: mirek on Sun, 16 November 2014 16:39
		Re: Drop list is not shown By: mirek on Sun, 16 November 2014 16:39
		Re: Drop list is not shown By: Mindtraveller on Sun, 16 November 2014 17:28
		Re: Drop list is not shown By: Mindtraveller on Sun, 16 November 2014 17:25
		Re: Drop list is not shown By: mirek on Sun, 16 November 2014 17:47
		Re: Drop list is not shown By: Mindtraveller on Wed, 19 November 2014 00:21
		Re: Drop list is not shown By: mirek on Thu, 20 November 2014 20:44
		Re: Drop list is not shown By: Mindtraveller on Fri, 21 November 2014 00:52
		Re: Drop list is not shown By: mirek on Fri, 21 November 2014 11:50
		Re: Drop list is not shown By: Mindtraveller on Sat, 22 November 2014 13:37
		Re: Drop list is not shown By: mirek on Mon, 24 November 2014 11:41
		Re: Drop list is not shown By: ManfredHerr on Fri, 14 November 2014 18:43

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