Integrating Visio(or any other Win32 app form) in a Vb.net Form 
Author Message
 Integrating Visio(or any other Win32 app form) in a Vb.net Form

Hi All

in Vb6 the following works very well

Public mVis As Visio.Application
Private Declare Function SetParent Lib "user32" (ByVal hWndChild As
Long, ByVal hWndNewParent As Long) As Long

Private Sub Command1_Click()
Set mVis = New Application
SetParent mVis.WindowHandle32, Me.hwnd
End Sub

The Visio application is hosted within the Vb6 form. Great..

Why does this NOT work in Vb.net. It starts Visio but as a disjointed
instance. It will not integrate for some reason.
What am I doing wrong????

Many thanks

Paul

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Sun, 12 Dec 2004 19:00:11 GMT  
 Integrating Visio(or any other Win32 app form) in a Vb.net Form
We've cautioned against using the SetParent API with VB 6 for some time,
even though it does work as expected in some cases.

The following is taken from
Q253814 PRB: SetParent Does Not Change Standard Forms into Child Windows
http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q253814

"Using the SetParent function to change the ownership of a window in Visual
Basic
seldom provides the desired results. Therefore, Microsoft does not
recommend or
support this approach."

Thus there is no guarantee, unfortunately, that using this approach will
work with Visual Studio .Net.

Steven Bras, MCSD
Microsoft Developer Support/Visual Basic WebData

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Mon, 13 Dec 2004 04:47:43 GMT  
 Integrating Visio(or any other Win32 app form) in a Vb.net Form
Given that we both now know this doesn't work in VB.Net could you tell
what does??. Q253814 does not work either for Vb.net by the way.

Thanks

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Mon, 13 Dec 2004 21:45:57 GMT  
 
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