RAD Studio VCL Reference
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Controls.TDragMessage Enumeration
Controls | Description
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TDragMessage indicates the type of drag operation executed by a control.

Pascal
TDragMessage = (
  dmDragEnter,
  dmDragLeave,
  dmDragMove,
  dmDragDrop,
  dmDragCancel,
  dmFindTarget
);
C++
enum TDragMessage {
  dmDragEnter,
  dmDragLeave,
  dmDragMove,
  dmDragDrop,
  dmDragCancel,
  dmFindTarget
};
File
Description

TDragMessage can have one of the following values:

Value 
Meaning 
dmDragEnter  
The control is dragged and enters a window.  
dmDragLeave  
The control is dragged and leaves a window.  
dmDragMove  
The control is dragged and is currently moving across the screen.  
dmDragDrop  
The control is dragged and dropped.  
dmDragCancel  
The control cancels the dragging operation.  
dmFindTarget  
The control attempts to find the target of its drag-and-drop operation.  

 

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