DM DRAGOVERNOTIFY: Difference between revisions
Created page with "This message is sent to the source of a drag operation immediately after a DM_DRAGOVER message is sent to a target window. '''param2''' is the target's reply to the DM_DRAGOVER message. ==Syntax== <PRE> param1 PDRAGINFO pDraginfo; →Pointer to the DRAGINFO structure that represents the object being dragged.: param2 USHORT usDrop; →Drop indicator.: USHORT usDefaultOp; →Default operation.: </PRE> ==Parameters== ;pDraginfo (PDRAGINFO) - Inp..." |
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==Parameters== | ==Parameters== | ||
;pDraginfo ([[ | ;pDraginfo (P[[DRAGINFO]]) - Input | ||
: Pointer to the [[DRAGINFO]] structure that represents the object being dragged. | : Pointer to the [[DRAGINFO]] structure that represents the object being dragged. | ||
;usDrop ([[USHORT]]) - Input | ;usDrop ([[USHORT]]) - Input | ||
Latest revision as of 02:31, 21 April 2025
This message is sent to the source of a drag operation immediately after a DM_DRAGOVER message is sent to a target window. param2 is the target's reply to the DM_DRAGOVER message.
Syntax
param1 PDRAGINFO pDraginfo; /* Pointer to the DRAGINFO structure that represents the object being dragged. */ param2 USHORT usDrop; /* Drop indicator. */ USHORT usDefaultOp; /* Default operation. */
Parameters
- pDraginfo (PDRAGINFO) - Input
- Pointer to the DRAGINFO structure that represents the object being dragged.
- usDrop (USHORT) - Input
- Drop indicator.
- usDefaultOp (USHORT) - Input
- Default operation. Target-defined default operation.
Returns
- ulReserved (ULONG) - returns
- Reserved value.
Remarks
The source window can use this message to modify its behavior or appearance based on a target window's response to the DM_DRAGOVER message.
See DM_DRAGOVER for a description of the target window's possible responses.
Default Processing
The WinDefWindowProc function does not expect to receive this message and therefore takes no action on it other than to return NULL.