IDropTargetHelper::DragEnter method (shobjidl_core.h)
Notifies the drag-image manager that the drop target's IDropTarget::DragEnter method has been called.
Syntax
HRESULT DragEnter(
[in] HWND hwndTarget,
[in] IDataObject *pDataObject,
[in] POINT *ppt,
[in] DWORD dwEffect
);
Parameters
[in] hwndTarget
Type: HWND
The target's window handle.
[in] pDataObject
Type: IDataObject*
A pointer to the data object's IDataObject interface.
[in] ppt
Type: POINT*
The POINT structure pointer that was received in the IDropTarget::DragEnter method's pt parameter.
[in] dwEffect
Type: DWORD
The value pointed to by the IDropTarget::DragEnter method's pdwEffect parameter.
Return value
Type: HRESULT
Returns S_OK if successful, or a COM error value otherwise.
Remarks
This method is called by a drop target when its IDropTarget::DragEnter method is called. It notifies the drag-image manager that the drop target has been entered, and provides it with the information needed to display the drag image.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 2000 Professional, Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | shobjidl_core.h (include Shobjidl.h) |
DLL | Shell32.dll (version 5.0 or later) |
See also
Σχόλια
https://aka.ms/ContentUserFeedback.
Σύντομα διαθέσιμα: Καθ' όλη τη διάρκεια του 2024 θα καταργήσουμε σταδιακά τα ζητήματα GitHub ως μηχανισμό ανάδρασης για το περιεχόμενο και θα το αντικαταστήσουμε με ένα νέο σύστημα ανάδρασης. Για περισσότερες πληροφορίες, ανατρέξτε στο θέμα:Υποβολή και προβολή σχολίων για