GetWindowInfo function (winuser.h)

Retrieves information about the specified window.

BOOL GetWindowInfo(
  [in]      HWND        hwnd,
  [in, out] PWINDOWINFO pwi
);

[in] hwnd

Type: HWND

A handle to the window whose information is to be retrieved.

[in, out] pwi

Type: PWINDOWINFO

A pointer to a WINDOWINFO structure to receive the information. Note that you must set the cbSize member to sizeof(WINDOWINFO) before calling this function.

Type: BOOL

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

To get extended error information, call GetLastError.

Conceptual

Reference

WINDOWINFO

Windows