DM DRAGLEAVE
Appearance
This message is sent to a window that is being dragged over when one of these conditions occur:
- The object is dragged outside the boundaries of the window.
- The drag operation is terminated while the object is over the window.
Syntax
param1 PDRAGINFO pDraginfo; /* Pointer to the DRAGINFO structure for the drag operation. */ param2 ULONG ulReserved; /* Reserved value, should be 0. */
Parameters
- pDraginfo (PDRAGINFO) - Input
- Pointer to the DRAGINFO structure for the drag operation.
- ulReserved (ULONG) - Input
- Reserved value, should be 0.
Returns
- ulReserved (ULONG) - returns
- Reserved value, should be 0.
Remarks
This message allows for target emphasis and de-emphasis during the direct manipulation process. This message is not sent when a drop occurs. Use DM_DROP as a signal to remove the target emphasis.
Default Processing
The WinDefWindowProc function does not expect to receive this message and takes no action on it other than to return 0.