I have working on my Company Project During drag the form in second Exe it will show multiple form. I am using WaitforExit. This is exactly the cause of the problem.

If WaitForExit is called from the Form's thread, it will prevent the Form from being redrawn. Dragging something in front of a blocked window leaves a trace of the dragged window. Code would be better and it would also be better if you can tell us exactly what you are trying to achieve.

WaitForExit is a thread blocking method which will do exactly just that - wait for a process to exit before it continues with your code.

There is no "fix" for this as it is not a bug or an issue but merely what you are using and how you are using it.

Do you have to show your form when you are using WaitForExit? Why dont you hide or minimise the form before you call WaitForExit then restore it afterwords?

urisofod.web.fc2.com - How to use urisofod.web.fc2.comrExit - Stack Overflow

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Launch and monitor external programs from .NET applications using the urisofod.web.fc2.coms class

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Sign in to vote. Moved by edhickey Wednesday, July 27, 2: Wednesday, July 27, WaitForExit is a thread blocking method This is exactly the cause of the problem.

urisofod.web.fc2.comrExit Method (urisofod.web.fc2.comstics)

Proposed as answer by ahmedilyas Moderator Thursday, July 28, Thursday, July 28, Follower since MS Super Evangelist MSDN Forums Moderator. Thursday, July 28, 9: I think this has no relation with waitforexit function.

Edited by RAJ KUMAR. R Thursday, July 28, C MVP MS Vendor - MS All the way! Would you like to participate?

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