WPF Tooltip behind layered window - by Lars Heinrich

Status : 

  Won't Fix<br /><br />
		Due to several factors the product team decided to focus its efforts on other items.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

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ID 431170 Comments
Status Closed Workarounds
Type Bug Repros 2
Opened 4/7/2009 1:10:22 PM
Access Restriction Public


We are getting reports from our testers that Tooltips are not showing on WinXP. After some research we figured out that they where showing, but behind the window. After restarting the machine the Problem is gone. 
Changing Window to normal window also fixes the problem.
Strange thing is that this happens not every time.
It happens after a view houres the machines are running with different user changes. 
Before we can reproduce the bug, we see a black screen for a few seconds just after the application start, and then all tooltips are showing behind the window.

We already tried to fix this by applying KB943326-x86 on a testmachine. This doesn´t fix the problem. The steps to reproduce are for dual monitor machines, but we also see the problem on single monitor machines.
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Posted by Microsoft on 7/7/2009 at 12:00 PM
Thank you for reporting this issue. Though this issue is under investigation, we will likely not have a fix available in .NET 4.0. We will update this bug again when we are able to fix the issue in a future release. Thanks!
Posted by Microsoft on 4/7/2009 at 11:13 PM
Thanks for your feedback.

We are escalating this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. These specialized experts will follow-up with your issue.

Thank you,
Visual Studio Product Team