TDragMessage enumeration
Message types used in DragManager.
Declaration
TDragMessage = (dmDragEnter,dmDragLeave,dmDragMove,dmDragDrop,
dmDragCancel,dmFindTarget)Description
All messages are sent to the target control, except dmDragDrop and dmDragCancel is sent to the source control.
- dmDragEnter
- Mouse enters control
- dmDragLeave
- Mouse leaves control
- dmDragMove
- Mouse moves over control (after dmDragEnter)
- dmDragDrop
- Control dropped
- dmDragCancel
- Dragging aborted
- dmFindTarget
- Find child control under the mouse
Modified in LCL 3.0 to be an alias to TDragMessage in System.UITypes for FPC 3.2.3 or higher.
Values
dmDragEnter | mouse enters control. |
dmDragLeave | mouse leaves control. |
dmDragMove | mouse moves over control (after dmDragEnter). |
dmDragDrop | control dropped. |
dmDragCancel | dragging aborted. |
dmFindTarget | find possible target control under the mouse. |
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.