DragDrop registration did not succeed. 1

[haddaway]

I am trying to implement drag'n'drop on a textbox in VS2005. When setting allowdrop to true I get an exception when loading the form:

DragDrop registration did not succeed.

InvalidOperationException.

Any ideas why?

 

[ca8msm]

It looks as though it may be a treading error. The first article I found on the subject was:

http://blogs.msdn.com/adam_nathan/archive/2003/07/18/56727.aspx

which lead to some people trying the following code:

System.Threading.Thread.CurrentThread.ApartmentState = System.Threading.ApartmentState.STA

but as I can't replicate the error, it's difficult to help further.


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[haddaway]

You are right. The problem is that I am not allowed to change to STA. The reason is probably because I do Application.Run at a later stage. Is it possible to pass the thread in some way or solve in any other way?