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000
24.05.2008, 00:29 Uhr
~Ron
Gast

Hi,

I have some problems using 'GetWindowThreadProcessId()'. I call this function from C#.
If I use it to determine a ThreadID of a foreign process (for example windows calculator) it works fine. But if I use it to get a ThreadID of a selfwriten C#-Application it always returns 0.

Why it the return value always 0?

Code:

Code:

            try
            {
                Process p = GlobalMethods.startProcessFromFile(this._testumgebung.TestObjektFileName);

                uint dummy;
                uint targetThreadID = ImportedMethods.GetWindowThreadProcessId(p.MainWindowHandle, out dummy);

            }
            catch (Exception e)
            {
...
            }

best regards,
Ron

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001
29.05.2008, 15:11 Uhr
berniebutt

Sorry Ron, I can't help you with c#. Using c++ there will be no problems with WinApi.
Good luck!

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002
29.05.2008, 15:37 Uhr
Guybrush Threepwood
Gefürchteter Pirat
(Operator)

hmm most Windows API Functions return 0 when there is an Error. Although the MSDN says nothing about it maybe a call to GetLastError will help to determine what specific Error occurs.

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Seiten: > 1 < [ C / C++ (WinAPI, Konsole) ]

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