[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Controls' (#lcl)

TControl.OnStartDrag

Event handler for the start of a dragging operation.

Declaration

Source position: controls.pp line 1462

protected property TControl.OnStartDrag : TStartDragEvent
  read FOnStartDrag
  write FOnStartDrag;

Description

The handler can provide a special DragControl object, otherwise a default object is created.

See also

#lcl.Controls.TDragObject

  

Base class for managing drag operations and user feedback.

TControl.OnStartDock

  

Event handler for the start of a docking operation.

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