private void btnEditLink_Click(object sender, EventArgs e)
		{
			Link Link = (Link) GetSelectedItemOfType(typeof (Link));
			if (Link != null)
			{
				IObjectEditor editor = new ORLinkEditor(Link);
				ObjectEditorManager.OpenObjectEditorDialog(editor);
				this.designView.RefreshLinksList(this.GetSelectedNodeOfType(typeof(LinkCollection)), this.designView.CurrentEntity, false);
			}
		}
		private void btnAddLink_Click(object sender, EventArgs e)
		{
			LinkCollection Links = (LinkCollection) GetSelectedItemOfType(typeof (LinkCollection));
			Link oLink = new Link();
			Links.Add(oLink);
			IObjectEditor editor = new ORLinkEditor(oLink);
			ObjectEditorManager.OpenObjectEditorDialog(editor);
			this.designView.RefreshLinksList(this.GetSelectedNodeOfType(typeof(LinkCollection)), this.designView.CurrentEntity, false);
		}