DialogBar child window flickering.

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   I have a flickering issue related to the following feature:

I am working in Visual Basic 6.0 service pack 5.

In a mdi application, I have created a form without border. Into this form you will find two controls (a tree view and a list view).

I have attach this form to a DialogBar like this:
 With EoForm
  Set DlgBar = .CommandSetupBars.AddDialogBar("TaskPanel", xtpBarBottom)
  DlgBar.Caption = "Project Browser"
  DlgBar.SetSize EoForm.Width / Screen.TwipsPerPixelX, 100
  DlgBar.Closeable = False
  DlgBar.EnableAnimation = False
  Dim frm As frmDocument
  Set frm = New frmDocument
  Load frm
  DlgBar.ChildHandle = frm.hWnd
 End With

When I resize the main application border, I get a flickering side effect on the treeview and listview.

If I attach frmdocument as a child window to the main mdi form, I do not get this flickering effect.

What could be the reason ?

Thank you very much in advanced. 
Best regards,
Michel.

PS: See my CodeJock-issue.zip test program to demonstrate that issue.
uploads/20090825_043630_CodeJock-issue.zip

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supermip Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 03 July 2009 Location: Belgium Status: Offline Points: 12	Post Options Post Reply Quote supermip Report Post Thanks(0) Quote Reply Topic: DialogBar child window flickering. Posted: 25 August 2009 at 4:39am
	I have a flickering issue related to the following feature: I am working in Visual Basic 6.0 service pack 5. In a mdi application, I have created a form without border. Into this form you will find two controls (a tree view and a list view). I have attach this form to a DialogBar like this: With EoForm Set DlgBar = .CommandSetupBars.AddDialogBar("TaskPanel", xtpBarBottom) DlgBar.Caption = "Project Browser" DlgBar.SetSize EoForm.Width / Screen.TwipsPerPixelX, 100 DlgBar.Closeable = False DlgBar.EnableAnimation = False Dim frm As frmDocument Set frm = New frmDocument Load frm DlgBar.ChildHandle = frm.hWnd End With When I resize the main application border, I get a flickering side effect on the treeview and listview. If I attach frmdocument as a child window to the main mdi form, I do not get this flickering effect. What could be the reason ? Thank you very much in advanced. Best regards, Michel. PS: See my CodeJock-issue.zip test program to demonstrate that issue. uploads/20090825_043630_CodeJock-issue.zip