WM_QUERYDRAGICON top-level constant
int
const WM_QUERYDRAGICON
Sent to a minimized (iconic) window. The window is about to be dragged by the user but does not have an icon defined for its class. An application can return a handle to an icon or cursor. The system displays this cursor or icon while the user drags the icon.
Implementation
const WM_QUERYDRAGICON = 0x0037;