private void AddBlock(IGraph graph, IToolGraphBlock block)
{
this.FindVisualParent <FlowchartEditorView>().HideToolbox();
var toolblocks = ViewModel.GraphService.Blocks;
var i = toolblocks.IndexOf(block);
block.Left = block.TempLocation.X;
block.Top = block.TempLocation.Y;
graph.AddBlock(block);
var newBlock = (IToolGraphBlock)Activator.CreateInstance(block.GetType());
toolblocks.Insert(i, newBlock);
toolblocks.Remove(block);
}
