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Flickering in tabbed mdi mode
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Topic: Flickering in tabbed mdi mode
    Posted: 17 November 2004 at 2:48pm

I´m using tabbed mdi style in my Visual Basic 6 application. I noticed heavy flickering when I switch between the tabs especially on slow machines. It seems that the windows are kept cascading in the background and are maximized when switching to it.
Is there any way to prevent this behavior or to minimize the flickering effects ?
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SuperMario View Drop Down
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Points: 18057 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SuperMario Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2004 at 7:00am
This is a bug in the current release.  It has been fixed and will be available in the next release.  Might want to call if you absolutely need this fix right now.
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2004 at 10:55am
Is there any release date for the next version ? If it doesn´t generate too much effort for you I would be very thankful if you can send me the fix ...
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Points: 18057 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SuperMario Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2004 at 10:58am
I don't know when the next release date is.  You must call or submit a request to see if a fix can be provided (You must have an active maintenance account).
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Oleg View Drop Down
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Points: 11234 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Oleg Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2004 at 1:10am

Try to use code from our MDI sample:

for document object:

Private Sub Form_Load()
    Top = -200
    Left = -200
    Width = 31000
    Height = 31000
    Form_Resize
End Sub

bug mentioned by SuperMario appear only with hidden menubar.
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2004 at 1:32am

Thanks oleg,
that seems to work !!!
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moskito66 View Drop Down
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this is very stupid code ! it is stupid workaround code that leads to other problems...

now we have Version 9.60.1 and codejock has fix nothing

 
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2006 at 3:04pm
Now I started to port my VB6 mdi project to .net (c#) with the same problem ! But this workaround does not work !!! Does anyone know how to prevent this flickering problem in c# (2005) ?
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SuperMario View Drop Down
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Points: 18057 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SuperMario Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2006 at 3:29pm
I let VS convert the CommandBars MDI C# sample to 2005.  When switching between tabs all looks OK, there is a slight flicker when a new dockment is opened, but not once they have been displayed.  Is this what you are talking about?
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2006 at 3:36pm
Exactly this is what I mean !
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SuperMario View Drop Down
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Points: 18057 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SuperMario Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2006 at 3:44pm
Yes, it seems there were some changes in VS 2005.  We are looking into why it is doing this.
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 05 July 2006 at 3:20pm
Dear SuperMario,
are there any news on this ?
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 15 July 2006 at 5:01pm
Will this be fixed in the next release ?
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote beifang Quote  Post ReplyReply Direct Link To This Post Posted: 19 July 2006 at 12:37am

In the 2006 v2, it still flicking when you closeing one children form, the other children windows are kept cascading in the background and are maximized. My children form load a vsflexgrid to show data.
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 04 October 2006 at 2:50pm
I´ve just tested the .net MDI sample included in version 10.3.1 with visual studo 2005 and the flickering still occurs ! Also the complete application window flickers when the visual style is changed !
Is there any fix or workaround for this ? It is very urgent, the customers don´t like this ...
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tobi View Drop Down
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Points: 451 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tobi Quote  Post ReplyReply Direct Link To This Post Posted: 29 December 2006 at 8:25am
Sorry for reactivating this post: I´m still looking for a solution to prevent the tabbed mdi flickering in .net applications !
Does anyone found a solution or a workaround for this problem ?
 
Thanks a lot.
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younicke View Drop Down
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Points: 107 		Post Options Post Options   Thanks (0) Thanks(0)   Quote younicke Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2007 at 11:48pm
and it looks like this cant be resolved...

otherwise they would have released a fix for this a long time ago.
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