GetWindowThreadProcessId

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

DWORD GetWindowThreadProcessId(
HWND hWnd, 
LPDWORD lpdwProcessId );

Parameters

• hWnd
  Handle to the window.
• lpdwProcessId
  Pointer to a 32-bit value that receives the process identifier. If this parameter is not NULL, GetWindowThreadProcessId copies the identifier of the process to the 32-bit value; otherwise, it does not.

Return Values

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

Requirements

Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

 Last updated on Tuesday, July 13, 2004

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