From RAD Studio API Documentation
Jump to: navigation, search


typedef void __fastcall (__closure *TDockOverEvent)(System::TObject* Sender, TDragDockObject* Source, int X, int Y, System::Uitypes::TDragState State, bool &Accept);


Type Visibility Source Unit Parent
typedef public Vcl.Controls.hpp Vcl.Controls Vcl.Controls


TDockOverEvent is the type of the OnDockOver event handler.

Sender is the object over which another object is being dragged.

Source is information about the object that is being dragged.

X and Y are the coordinates of the mouse pointer.

DragState is the current drag state.

Accept returns whether or not the control accepts the dragged object for docking.

TDockOverEvent is a procedure called by the TWinControl class OnDockOver event.

See Also