An application sends the STM_SETICON message to associate an icon with an icon control.
STM_SETICON
wParam = (WPARAM) (HICON) hicon; // handle of the icon
lParam = 0; // not used; must be zero
Parameters
hicon
Value of wParam. Identifies the icon to associate with the icon control.
Return Values
The return value is the handle of the icon previously associated with the icon control, or zero if an error occurs.
See Also