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8.2

passing the HWND of a mfc dialog to the CreateThread function

Asked by dhenderson12 in Microsoft Visual C++, Windows MFC Programming

I have a dialog class that hosts a child dialog (mfc CDialog classes). I have added the following api function to the top of the parent dialog class file, right below the #include statements:

DWORD WINAPI ThreadFunc(LPVOID pParam)
{
pWnd->DoThis();
pWnd->PostMessage(OK);
return 0;
}

In a method of a class file I have the following:
m_childDialog.DoThis();

I need to run this method in a thread, so I tried getting the windows handle to the child dialog:
HWND pWnd = m_childDialog.m_hWnd;

I think I can pass the pWnd variable to the thread function, but I don't know how to translate it in the thread function from the pParam argument to a pWnd type, so that I can call the child dialog method in the thread function like this:
pWnd->DoThis();

Can someone give me an example of doing this?

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passing the HWND of a mfc dialog to the CreateThread function

Asked by dhenderson12 in Microsoft Visual C++, Windows MFC Programming

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