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Reference for unit 'Controls' (#lcl)

TControl.OnStartDock

Event handler for the start of a docking operation.

Declaration

Source position: controls.pp line 1608

protected property TControl.OnStartDock : TStartDockEvent read FOnStartDock write FOnStartDock;

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

TControl.OnStartDrag		Event handler signalled for the start of a dragging operation.
TDragDockObject		A drag object for drag-dock.