Control Fails to Update After sub has completed?

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VB

Hello all I have what i think to be a good question that has me stumped yet again. As it is my program runs through a set of statements in a private sub which returns the results to a Treeview but for some reason after the thread has finished it just sits there without returning the values from my sub. If then I click the start button again the results are displayed and the scan starts again.


Any ideas as to why or how I might fix the threading? to this sort of problem or point me in the right direction as to what my problem may be?

I have noticed it calls invoke and declares a public delegate

please help I am stuck and have tried to learn all i can about invoke and begin invoke to try updating a UI thread from a worker thread


thank you in advance