Source/BaseItemDesigner.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Windows.Forms;

namespace DevComponents.DotNetBar
{
	/// <summary>
	/// Represents designer for BaseItem objects and derived classes.
	/// </summary>
	public class BaseItemDesigner:System.ComponentModel.Design.ComponentDesigner,IDesignerServices
	{
		#region Internal Implementation
		/// <summary>
		/// Creates new instance of the class.
		/// </summary>
		public BaseItemDesigner()
		{
		}

		public override void Initialize(IComponent component) 
		{
			base.Initialize(component);
			if(!component.Site.DesignMode)
				return;

			ISelectionService ss =(ISelectionService)GetService(typeof(ISelectionService));
			if(ss!=null)
				ss.SelectionChanged+=new EventHandler(OnSelectionChanged);

			BaseItem c=component as BaseItem;
			if(c!=null)
				this.Visible=c.Visible;

			// If our component is removed we need to clean-up
			IComponentChangeService cc=(IComponentChangeService)GetService(typeof(IComponentChangeService));
			if(cc!=null)
			{
				cc.ComponentRemoved+=new ComponentEventHandler(this.OnComponentRemoved);
			}
		}
		protected override void Dispose(bool disposing)
		{
			ISelectionService ss =(ISelectionService)GetService(typeof(ISelectionService));
			if(ss!=null)
				ss.SelectionChanged-=new EventHandler(OnSelectionChanged);

			IComponentChangeService cc=(IComponentChangeService)GetService(typeof(IComponentChangeService));
			if(cc!=null)
			{
				cc.ComponentRemoved-=new ComponentEventHandler(this.OnComponentRemoved);
			}

			base.Dispose(disposing);
		}

		private void OnComponentRemoved(object sender,ComponentEventArgs e)
		{
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