WM_GETICON top-level constant
int
const WM_GETICON
Sent to a window to retrieve a handle to the large or small icon associated with a window.
The system displays the large icon in the ALT+TAB dialog, and the small icon in the window caption.
To learn more, see learn.microsoft.com/windows/win32/winmsg/wm-geticon.
Implementation
const WM_GETICON = 127;