FMX.Header.THeaderItem.DragOver
Delphi
procedure DragOver(const Data: TDragObject; const Point: TPointF; var Operation: TDragOperation); override;
C++
virtual void __fastcall DragOver(const Fmx::Types::TDragObject &Data, const System::Types::TPointF &Point, Fmx::Types::TDragOperation &Operation);
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
procedure function |
protected | FMX.Header.pas FMX.Header.hpp |
FMX.Header | THeaderItem |
Description
OnDragOver event dispatcher.
FMX.Header.THeaderItem.DragOver inherits from FMX.Controls.TControl.DragOver. All content below this line refers to FMX.Controls.TControl.DragOver.
OnDragOver event dispatcher.
Data
specifies the dragged object.
Point
specifies the current point of the mouse cursor within the client area of the control.
Operation
is the operation parameter (None, Move, Copy, Link) that specifies the action to perform when an item is dragged over the object.
None
is 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.
A control calls DragOver when a dragged object is over the control area.
Override the protected DragOver method to provide other responses when a dragged object is over the control area.