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Normal Topic Dragdrop Shape on ShapeNode (Read 2110 times)
Thunis
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Dragdrop Shape on ShapeNode
May 18th, 2015 at 7:05pm
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Hi Support,

How would I go around to only replace the Shape for a ShapeNode if I drag and drop another ShapeNode from the NodeListView onto the ShapeNode on the diagram? I don't want to create another node with the drag drop action only replace the Shapes for the Nodes.

Regards,
Thunis
  
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Stoyo
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Re: Dragdrop Shape on ShapeNode
Reply #1 - May 19th, 2015 at 7:13am
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Hi,

Handle the Diagram.PreviewDrop event like this:

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if (e.Data.GetDataPresent(typeof(DraggedNode)))
{
	var data = (DraggedNode)e.Data.GetData(typeof(DraggedNode));
	var position = e.GetPosition(diagram.DocumentPlane);
	var shapeNode1 = diagram.GetNodeAt(position) as ShapeNode;
	var shapeNode2 = data.Node as ShapeNode;
	if (shapeNode1 != null && shapeNode2 != null)
	{
		shapeNode1.Shape = shapeNode2.Shape;
		e.Effects = DragDropEffects.Copy;
		e.Handled = true;
	}
}


I hope that helps,
Stoyan
  
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Thunis
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Re: Dragdrop Shape on ShapeNode
Reply #2 - May 19th, 2015 at 11:23am
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Thanks - Work 100% Cheesy
  
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