DWORD GetWindowProcessID( );
See GetWindowThreadProcessID in the Win32 SDK.
Remarks
Retrieves the identifier of the process that created the window.
Example
//The following example attaches an HWND to the CWindow object and
//calls CWindow::GetWindowProcessID() to retrieve the id of the
//process that created the window
CWindow myWindow;
myWindow.Attach(hWndFoo);
DWORD dwID = myWindow.GetWindowProcessID();
CWindow Overview | Class Members
See Also CWindow::GetWindowThreadID