Danke

static UINT thrFunction (LPVOID pParam);

UINT thrFunction(LPVOID pParam)
{
int* pFlag = (int*) pParam;

while (*pFlag)
{
MessageBox(NULL, _T("thrFunction"), _T("Info"), MB_OK);
Sleep(10000);
}
return 0;
}

int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
int controlFlag = 1;

CWinThread* pThread = AfxBeginThread (thrFunction, &controlFlag);

return 0;
}