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The DestItem is the key of the item that the user chose as a drop target. The Action parameter indicates how, in relation to the drop target, the items are to be dropped. It will be one of three values: "Add", "Before", and "After". If the Action is set to "Add", then you will want to add the items as children to the drop target. If it is set to "Before" or "After", then insert the items before or after the drop target accordingly. The value of the Action property depends on the DropBehavior property, and the user will have seen feedback based on that value.
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You can use this event when you need to perform specific operations on a drop. However, keep in mind that the AutoDrop property is available to do this work for you in some cases.
See the Drag and Drop topic for more details.
Example
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Transfer Param1 to SourceCtrl Transfer Param2 to Items Transfer Param3 to DestItem Transfer Param4 to Action Transfer Param5 to Shift Transfer Param6 to Ctrl // Perform a move Convert ',' to @VM in Items Send_Message(SourceCtrl, "OLE.SendItems":@FM:1, Items:@FM:CtrlEntId:@FM:DestItem:@FM:Action:@FM:0:@FM:1) Convert @VM to @FM in Items Send_Message(SourceCtrl, "OLE.RemoveItems", Items) |
