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Tk_GetHWND, Tk_AttachHWND − manage interactions between the Windows handle and an X window
#include <tkPlatDecls.h>
HWND 
Tk_GetHWND(window)
Window 
Tk_AttachHWND(tkwin, hwnd)
| 
 Window window (in)  | 
 X token for window.  | ||
| 
 Tk_Window tkwin (in)  | 
 Tk window for window.  | ||
| 
 HWND hwnd (in)  | 
 Windows HWND for window.  | 
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Tk_GetHWND returns the Windows HWND identifier for X Windows window given by window.
Tk_AttachHWND binds the Windows HWND identifier to the specified Tk_Window given by tkwin. It returns an X Windows window that encapsulates the HWND.
identifier, window