typedef void __fastcall (__closure *TDragOverEvent)(System::TObject* Sender, const TDragObject &Data, const System::Types::TPointF &Point, TDragOperation &Operation);
Type of event handler for the FMX.Controls.TControl.OnDragOver event. It occurs when a dragged object is over the area of the current control.
This type of event handler has the following arguments:
Senderis a pointer to the object that called this function.
Datais the dragged object.
Pointis the current point of the mouse pointer within the client area of the control.
Operationis the operation parameter (None, Move, Copy, Link) that specifies the action to perform when an item is dragged over the object.
Noneis the default. No action takes place, it does not display any name.
Move- the word Move is displayed once an item is dragged over the object.
Copy- the word Copy is displayed once an item is dragged over the object.
Link- the word Link is displayed once an item is dragged over the object.