Performing a two-way drag and drop

          
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="initApp();">
    <mx:Script>
    
    import mx.collections.ArrayCollection;
    private function initApp():void {
        srcgrid.dataProvider = new ArrayCollection([
            {Artist:'A', Album:'AA', Price:11.99},
            {Artist:'B', Album:'BB', Price:10.99},
            {Artist:'C', Album:'CC', Price:12.99}
        ]);
        destgrid.dataProvider = new ArrayCollection([]);
    }
  
    </mx:Script>
    <mx:HBox>
        <mx:DataGrid id="srcgrid" allowMultipleSelection="true" dragEnabled="true" dropEnabled="true" dragMoveEnabled="true">
            <mx:columns>
                <mx:DataGridColumn dataField="Artist"/>
                <mx:DataGridColumn dataField="Album"/>
                <mx:DataGridColumn dataField="Price"/>
            </mx:columns>
        </mx:DataGrid>
        <mx:DataGrid id="destgrid" allowMultipleSelection="true" dragEnabled="true" dropEnabled="true" dragMoveEnabled="true">
            <mx:columns>
                <mx:DataGridColumn dataField="Artist"/>
                <mx:DataGridColumn dataField="Album"/>
                <mx:DataGridColumn dataField="Price"/>
            </mx:columns>
        </mx:DataGrid>
    </mx:HBox>
</mx:Application>

1.	Setting the dragMoveEnabled property to move instead of copy
2.	Dragging and dropping within a component, to allow ordering
3.	Create DragSource object and add data to it
4.	Dragging and dropping in the same control
5.	The drag initiators, and drop target
6.	Get Drag source data format
7.	Press control key as drag and drop
8.	Canvas Drag and Drop
9.	Specifying the drag indicator by using the Drag
10.	Specify a Drag Proxy
11.	Enable and Disable Drag Operations
12.	Drag Drop To Component
13.	Set liveDragging to true to dispatch change event continuously as moving the thumb
14.	Get drag source from DragEvent
15.	Canvas drag enter event
16.	Explpicitly handle the dragOver event

Performing a two-way drag and drop : Drag Drop « Development « Flex

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