DL_CANCELDRAG Overview  Group

The DL_CANCELDRAG notification message signals that the user has canceled a drag operation by clicking the right mouse button or pressing the ESC key. A drag list box sends DL_CANCELDRAG to its parent window in the form of a drag list message.

DL_CANCELDRAG 

idCtl = (int) wParam; 

pDragInfo = (LPDRAGLISTINFO) lParam; 

 

Parameters

idCtl

Control identifier of the drag list box.

pDragInfo

Pointer to a DRAGLISTINFO structure that contains the DL_CANCELDRAG notification code, the handle to the drag list box, and the cursor position.

Return Values

No return value.

Remarks

By processing the DL_CANCELDRAG notification message, an application can reset its internal state to indicate that dragging is not in effect.

See Also

DRAGLISTINFO