DoDragDrop FatalExecutionEngineError - Diagramming Components

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DoDragDrop FatalExecutionEngineError (Read 2803 times)

CW YaBB Newbies Offline I Love MindFusion! Posts: 4 Joined: Feb 16^th, 2023	DoDragDrop FatalExecutionEngineError Feb 16^th, 2023 at 7:27am	Print Post
	When I use the Flowcharter Example，i get the error on the DoDragDrop . When use LogicModel example ,it's happend too.

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Slavcho YaBB Moderator Offline tech.support Posts: 3435 Joined: Oct 19^th, 2005	Re: DoDragDrop FatalExecutionEngineError Reply #1 - Feb 16^th, 2023 at 10:44am	Print Post
	On what .NET and Windows versions are you seeing that? Does Control.DoDragDrop work if you call it with strings or other data objects? Regards, Slavcho MindFusion


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CW YaBB Newbies Offline I Love MindFusion! Posts: 4 Joined: Feb 16^th, 2023	Re: DoDragDrop FatalExecutionEngineError Reply #2 - Feb 16^th, 2023 at 10:55am	Print Post
	net framework 4.7.2 And windows 11. This problem not appear every times. sometimes, it happends.


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Slavcho YaBB Moderator Offline tech.support Posts: 3435 Joined: Oct 19^th, 2005	Re: DoDragDrop FatalExecutionEngineError Reply #3 - Feb 16^th, 2023 at 11:00am	Print Post
	Please enable 'stop when exceptions thrown' in debug settings and post the exception stack trace. Apparently FatalExecutionError can be caused by third party applications hooking into Windows clipboard / data-transfer operations, e.g. https://github.com/dotnet/wpf/issues/4189 Regards, Slavcho Mindfusion


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Slavcho YaBB Moderator Offline tech.support Posts: 3435 Joined: Oct 19^th, 2005	Re: DoDragDrop FatalExecutionEngineError Reply #4 - Feb 16^th, 2023 at 11:03am	Print Post
	e.g. in linked post that's caused by a CoSoSys Endpoint Protector security software.


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CW YaBB Newbies Offline I Love MindFusion! Posts: 4 Joined: Feb 16^th, 2023	Re: DoDragDrop FatalExecutionEngineError Reply #5 - Feb 16^th, 2023 at 11:43am	Print Post
	Is this stack info?

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Slavcho YaBB Moderator Offline tech.support Posts: 3435 Joined: Oct 19^th, 2005	Re: DoDragDrop FatalExecutionEngineError Reply #6 - Feb 16^th, 2023 at 3:32pm	Print Post
	It is, but seems the exception is happening in external non-dotnet code, so try disabling third-party applications that might be hooking into data transfers (like clipboard monitor tools) to verify if not caused by one. You could try experimenting calling DoDragDrop with standard values (e.g. text strings) vs non-standard ones (like .NET objects). If strings work, you could encode the dragged list item's information as a string and pass that to DoDragDrop. Regards, Slavcho Mindfusion


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