CWindow::Detach
Detaches m_hWnd from the CWindow object and sets m_hWnd to NULL.
HWND Detach( ) throw();
Return Value
The HWND associated with the CWindow object.
Example
//The following example attaches an HWND to the CWindow object and
//later detaches the CWindow object from the HWND when no longer needed
CWindow myWindow;
myWindow.Attach(hWnd);
//call CWindow wrappers
//We don't need the C++ object any more, so detach it from the HWND.
myWindow.Detach();
Requirements
Header: atlwin.h