ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Help / WLanguage / WLanguage functions / Controls, pages and windows / Drag and drop functions
  • Variables
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac CatalystUniversal Windows 10 App
Others
Stored procedures
Indicates the action accepted by the target of Drag/Drop and manages the mouse cursor during Drag/Drop.
Remark: DnDAccept must be used during the call to the dndDrop event (DnDEvent).
Example
// Procedure called by the dndDrop event
PROCÉDURE OnDrop()
// Only the move is allowed (not the copy)
DnDAccept(dndMove)
Syntax
DnDAccept(<Authorized action>)
<Authorized action>: Constant
Action allowed on the target control:
dndCopyCopying data is allowed in the target control. The copy cursor will be displayed during the copy:
dndDefaultCopying data or moving data is allowed in the target control.
The default cursor will be displayed during the move:
(to perform a copy, keep the Ctrl key down while moving the data. The default cursor will be:).
dndMoveMoving data is allowed in the target control. The move cursor will be displayed during the move:
dndNoneNo action is allowed in the target control. The "forbidden" cursor will be displayed during the copy/move:
Remarks

Variables

The following variables can be used:
Variable nameDescription
_DND.ActionAction 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.TargetControlName 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.SourceControlName of source control.
_DND.CtrlDownStatus 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.SourceWinName of source window.

This variable is not filled when exiting from a target control (dndDragLeave constant).
_DND.MouseXPosHorizontal 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.MouseYPosVertical 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.
During a Drag/Drop, the data found in the source must be deleted through programming in the code corresponding to the "Drop" (to do so, test _DND.Action and _DND.SourceControl).
Component: wd290obj.dll
Minimum version required
  • Version 9
This page is also available for…
Comments
Click [Add] to post a comment

Last update: 05/26/2022

Send a report | Local help