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Strange problems when Application.EnableVisualStyles is used

Article Details

ID:	A1000
Version(s):
Updated:	10/25/2011

Product Group:	.NET
Product:	n/a

Description:

There may be different symptoms of this problem. For example:

I.
We are getting an occasional InteropServices.SEHException when dragging a DockWindow into a new position. It does not seem to be related to our application.

II.
If I have visual styles (XP styles) enabled in the application, the images for the toolbar buttons all go away.

Solution

The problem is caused by the Application.EnableVisualStyles method. It is described in detail in the following article:
http://weblogs.asp.net/rprabhu/archive/2003/09/28/56540.aspx

To make a long story short, you should call the DoEvents method after EnableVisualStyles as shown below.

[VB.NET]

Application.EnableVisualStyles()

Application.DoEvents()  ' <<<<  NEW LINE

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