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Win98 to WinXP serial communication

WriteFile hangs when running serial (RS232) program
on WinXP. Works okay on Win98.

Breaking at the WriteFile (ThreadEntry... WriteFile) and then
single stepping with debugger causes no exit from WriteFile
and it goes immediately to another thread (App::InitInsta nce > DoModal >
PumpMessage > page::OnTimer).

Nov 17 '05 #1
0 919

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