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Reference for unit 'Controls' (#lcl)

TDragMessage

Message types used in DragManager.

Declaration

Source position: controls.pp line 503

`type TDragMessage = (`
`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.
`);`

All messages are sent to the target control, except dmDragDrop and dmDragCancel is sent to the source control.

Modified in LCL 3.0 to be an alias to TDragMessage in System.UITypes for FPC 3.2.0 or higher.

Version 3.2

Generated 2024-02-25