Expected behavior Upon closing app version the app presented a crash dialog Current behavior One time event – works fine after restarting Failure . 27 May System Error. Code: Invalid window handle. It often happens when they hover a mouse cursor over a DevExpress control – simple button. System Error. Code Invalid window handle. Hi, some of out testers are reporting that they are unable to take screenshots like they used to.
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If the thread uses PostMessage then the message is sent asynchronously and the thread can continue with other work without having to wait. I did try that setting VrScope.
Invalid Window Handle – TMS Software | Product Support Forums
Add-in Express for Internet Explorer and. Add OriginalFilename ; SubItems. Top Contributors Last 30 Days. Thanks for your feedback, it helps us improve the winsow.
It seems to point to TVrTimerThread or at least waiting for it to terminate. The only work around I have found thus far is to close everything and run the test again and take the snapshot.
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VS, ; VB. Login as active registered customer for write access. We are using Quality Center Custom solutions for Outlook Express and Windows Mail. Add do begin Caption: Delphi 5 – XE Outlook regions in.
System Error. Code: 1400. Invalid window handle
LU – yes, although the OnTerminate mechanism itself employs Synchronize so isn’t really an alternative to it, just a “built in” Synchronize’d completion event.
Maybe you can put breakpoints in the TMS Instrumentation Workshop destructors and step through these to find out in what destructor of what component there is an issue? This event is executed in the main thread when hand,e thread finishes executing.
Get the best platform for building version-neutral, fast and easy deployable plug-ins by using Add-in Express projects templates, visual designers, components and wizards in combination with a perfect Delphi compiler. This method is being executed in the context of the TMySynHTTPAsync thread and based on the behaviour you are describing – particularly the fact that Synchronize resolves your problem – it is highly likely that some activity in that event handler is creating a window handle.
System Error Invalid Window Handle – Micro Focus Community
Delphi 10 Seattle madExcept version: What could be causing this? Apr 26 ’16 at Since the errors occurs when I exit excel I suspect something in on destroy events.
This is an extension for Visual Studio that allows developers to quickly create WiX-based setup projects syshem a familiar Visual Studio way. I hope it helps. It should be fairly apparent that these mechanisms are highly vulnerable to problems that can arise when VCL methods are called by threads other than the VCL thread.