Bitmap::RefreshWindow() hangs on second thread

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  04 April 2012
Bitmap::RefreshWindow() hangs on second thread

Hello,

Bitmap::RefreshWindow() always makes my plugin hang if I am using two or more threads. I am using mutexes and Bitmap::RefreshWindow() never runs at the same time. But it hangs as soon as RefreshWindow() is started on not main thread.

I found a similar thread http://forums.cgsociety.org/showthread.php?t=465654 it doesn't contain a help.

I tried to debug this hand and I received following Call Stack data:
>	user32.dll!NtUserMessageCall()  + 0xa bytes	
 	user32.dll!SendMessageWorker()  - 0x3118 bytes	
 	user32.dll!SendMessageA()  + 0x60 bytes	
 	bmm.dll!VFB::RefreshWindow()  + 0x1b8 bytes	
 	bmm.dll!Bitmap::RefreshWindow()  + 0x12 bytes	
 	max_render.dll!ImageData(void * i_image=0x000000004e399220)  Line 412	C++

But I still don't know how to fix that.

Does anyone know how to use this damn method Bitmap::RefreshWindow() on several threads?
 
  04 April 2012
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