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Vcl.Controls.TControl.DoStartDrag

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Delphi

procedure DoStartDrag(var DragObject: TDragObject); dynamic;

C++

DYNAMIC void __fastcall DoStartDrag(TDragObject* &DragObject);

Properties

Type Visibility Source Unit Parent
procedure
function
protected
Vcl.Controls.pas
Vcl.Controls.hpp
Vcl.Controls TControl

Description

Is an OnStartDrag event dispatcher.

DoStartDrag calls any event handler attached to the OnStartDrag event. When creating a component that descends from TControl, override DoStartDrag to provide other responses in addition to the inherited event-handler call when the user starts a drag-and-drop operation.

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