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4/8/2010

This function retrieves the identifier of the thread that created the specified window and, optionally, the identifier of the process that created the window.

Syntax 

DWORD GetWindowThreadProcessId(
  HWND 
hWnd, 
  LPDWORD 
lpdwProcessId 
);

Parameters

hWnd

[in] Handle to the window.

lpdwProcessId

[out] Pointer to a 32-bit value that receives the process identifier. If this parameter is not NULL, GetWindowThreadProcessIdcopies the identifier of the process to the 32-bit value; otherwise, it does not.

Return Value

The return value is the identifier of the thread that created the window.

Requirements

Header winuser.h
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also

Reference

Windows Functions