Tk_HWNDToWindow - Find Tk's window information for a Win
dows window
#include <tk.h>
Tk_Window
Tk_HWNDToWindow(hwnd)
HWND hwnd (in) Windows handle
for the window.
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Given a Windows HWND window identifier, this procedure
returns the corresponding Tk_Window handle. If there is no
Tk_Window corresponding to hwnd then NULL is returned.
Windows window id