thank's. By making my old article unfinished, I can link the file from my new tips n trick article. Maybe the problem is i can't make it unfinished by myself. So I leave it that way No one can prevent me to learn something

thank's. Maybe that's why sometimes it work and sometimes not No one can prevent me to learn something

When I found breakpoint and run step by step, I know if my thread is running. Thank's, I move the question in the forum below article No one can prevent me to learn something

Of course that dll's is in the same place. I copied that Dll into Debug and Release directory. That's why my Code work when I change unsafe public override string Text with unsafe public string TheText Both can't work if the Dll is not in the right directory, right? I'm still confused with this problem:confused: No one can prevent me to learn something

thank's for link. That sure answer my question. So that my "createWindowsEx" failed. But I don't know why