GetWindowTextLength function user32
Retrieves the length, in characters, of the specified window's title bar text (if the window has a title bar).
To learn more, see learn.microsoft.com/windows/win32/api/winuser/nf-winuser-getwindowtextlengthw.
Implementation
Win32Result<int> GetWindowTextLength(HWND hWnd) {
final result_ = GetWindowTextLengthW_Wrapper(hWnd);
return Win32Result(value: result_.value.i32, error: result_.error);
}