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[.net] ShowDialog window hiding behind other windows...

Joel Bennett · 2009-07-15T08:41:15

So we've stumbled across something strange at work. We've got a login screen to our application, which is displayed using a ShowDialog() call. For some odd reason, this window sometimes appears behind other windows, which occasionally confuses the users. We've tried using a combination of ShowDialog(), SendToBack(), BringToFront(), and Activate(), and messing with the properties to make it the topmost window, none of which have worked. Previous to the login dialog showing, we have a splash screen that spawns a separate thread and does some things in that thread. My co-worker thinks that the spawned thread is getting the focus, and in doing so our login dialog isn't popping to the front as it should. I have done a bit of googling on the subject, and the most common solution seems to be to call SendToBack() then BringToFront(). Unfortunately, this doesn't seem to work. It works fine when launching the app from the IDE, but not when running it from windows explorer. So, anyone have any thoughts?

General and Gameplay Programming Programming

Started by Moe June 25, 2008 11:21 AM

9 comments, last by GutsFun 14 years, 9 months ago

GutsFun

100

July 15, 2009 08:41 AM

Thanks a lot Cryogenic for this response !! It help me a lot !

For those who search the equivalent in VB.NET here it is :

Declare Auto Function SetForegroundWindow Lib "user32" (ByVal hwnd As IntPtr) As Integer

Private Sub OnShown(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Shown
SetForegroundWindow(Me.Handle)
End Sub

[.net] ShowDialog window hiding behind other windows...

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[.net] ShowDialog window hiding behind other windows...

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