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Normal Topic How delete single or selected nodes? (Read 4527 times)
PDM.
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How delete single or selected nodes?
Nov 7th, 2011 at 9:07am
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Hello Sotyo
Simple question

How delete single or selected nodes?

diagram.ClearAll();  clear all on the diagram
How delte or rmeove only selected?
What is the equivalent in code to what do delete key?

Best regards
  
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PDM.
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Re: How delete single or selected nodes?
Reply #1 - Nov 7th, 2011 at 9:50am
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  private void form_NodeSelecting(object sender, NodeValidationEventArgs e)
       {
nodetodelete = e.Node as DiagramNode;
        }

form.Nodes.Remove(nodetodelete);


Thsi work but delete only one node, if multiple nodes selected only one is deleted, basically the last is selected.

How delte multiple selected nodes?
  
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Stoyo
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Re: How delete single or selected nodes?
Reply #2 - Nov 7th, 2011 at 10:03am
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You could collect the nodes in a List<DiagramNode> instance, and then call form.Nodes.Remove from a loop over the list.

I hope that helps,
Stoyan
  
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PDM.
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Re: How delete single or selected nodes?
Reply #3 - Nov 7th, 2011 at 10:29am
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Lol sorry, but like always i request, can put a complete example please.
  
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Stoyo
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Re: How delete single or selected nodes?
Reply #4 - Nov 7th, 2011 at 11:43am
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You can actually access the selected nodes through the Selection object, so it should look something like:

Code
Select All
private void OnDelete(sender, args ...)
{
	var selectedNodes = form.Selection.Nodes.Clone();
	foreach (DiagramNode nodetodelete in selectedNodes)
		form.Nodes.Remove(nodetodelete);
}


I hope that helps,
Stoyan
  
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