Vcl.Controls.TDragObjectEx Properties
From RAD Studio API Documentation
InheritedProtected
AlwaysShowDragImages public Specifies whether the image associated to the drag object is shown during the drag process.
Cancelling public Specifies whether the drag operation is being canceled.
DragHandle public Specifies the window handle of the dragged object.
DragPos public Specifies the position of the dragged object.
DragTarget public Specifies the dragged object's target.
DragTargetPos public Specifies the position of the drag object relative to the drag target.
Dropped public Drag ended with drop.
MouseDeltaX public Specifies the x-coordinate of the mouse position relative to the position of the dragged object's target.
MouseDeltaY public Specifies the y-coordinate of the mouse position relative to the position of the dragged object's target.
RightClickCancels public Specifies whether the drag operation is canceled when the right mouse button is clicked.