## Tcl8.6.0/Tk8.6.0 Documentation > Tk C API, version 8.6.0 > GetHWND

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### NAME

Tk_GetHWND, Tk_AttachHWND — manage interactions between the Windows handle and an X window

### SYNOPSIS

#include <tkPlatDecls.h>
HWND
Tk_GetHWND(window)
Window
Tk_AttachHWND(tkwin, hwnd)

### ARGUMENTS

Window window (in)
  X token for window.

Tk_Window tkwin (in)
  Tk window for window.

HWND hwnd (in)
  Windows HWND for window.

### DESCRIPTION

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.

### KEYWORDS

identifier, window
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