Manages the mouse cursor and specifies the action allowed during Drag and Drop. The cursor remains the same until the end of the Drag and Drop action or until next time
DnDCursor is called.
Remarks:
DnDCursor must be used during the call to the
dndDragOver event (
DnDEvent).
// Procedure called by the dndDragOver event
PROCEDURE OnDragOver()
// Cursor indicating the move
DnDCursor(dndMove)
Remarks
The following variables can be used:
| |
| Variable name | Description |
|---|
| _DND.Action | Action specified in DnDAccept.
The possible values are: dndCopy, dndMove and dndNone.
This variable is not filled at the beginning of Drag and Drop in a source control (dndBeginDrag constant) or when exiting from a target control (dndDragLeave constant). |
| _DND.TargetControl | Name of target control.
This variable is not filled at the beginning of Drag and Drop in a source control (dndBeginDrag constant) or when exiting from a target control (dndDragLeave constant). |
| _DND.SourceControl | Name of source control. |
| _DND.CtrlDown | Status of Ctrl key:- True: the Ctrl key is pressed.
- False: the Ctrl key is not pressed.
This variable is not filled at the beginning of Drag and Drop in a source control (dndBeginDrag constant) or when exiting from a target control (dndDragLeave constant). |
| _DND.SourceWin | Name of source window.
This variable is not filled when exiting from a target control (dndDragLeave constant). |
| _DND.MouseXPos | Horizontal position (X) of mouse cursor in relation to the control handled during the event.
This variable is not filled when exiting from a target control (dndDragLeave constant). |
| _DND.MouseYPos | Vertical position (Y) of mouse cursor in relation to the control handled during the event.
This variable is not filled when exiting from a target control (dndDragLeave constant). |
The
_DND.SourceControl and
_DND.SourceWin variables return an empty string ("") when the Drag and Drop comes from an application other than the current application.