RAD Studio VCL Reference
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Controls.TDockOverEvent Type
Description
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TDockOverEvent is the type of the OnDockOver event handler.

Pascal
TDockOverEvent = procedure (Sender: TObject; Source: TDragDockObject; X, Y: Integer; State: TDragState; var Accept: Boolean) of object;
C++
(Sender: TObject; Source: TDragDockObject; X, Y: Integer; State: TDragState; var Accept: Boolean) ( TDockOverEvent)();
File

Controls

Description

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. 

 

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