Source/Design/BarBaseControlDesigner.cs

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

namespace DevComponents.DotNetBar.Design
{
	/// <summary>
	/// Summary description for BarBaseControlDesigner.
	/// </summary>
	public class BarBaseControlDesigner:System.Windows.Forms.Design.ParentControlDesigner,IDesignerServices
	{
		#region Private Variables
		const string TEMP_NAME="tempDragDropItem";
		private bool m_EnableItemDragDrop=false;
		private bool m_AcceptExternalControls=true;
		private Point m_MouseDownPoint=Point.Empty;
		private BaseItem m_DragItem=null;
		private bool m_DragInProgress=false;
		private IDesignTimeProvider m_DesignTimeProvider=null;
		private int m_InsertPosition;
		private bool m_InsertBefore;
		private bool m_Capture=false;
		private System.Windows.Forms.Control m_DesignerHost=null;
		private Timer m_TimerAdded=null;
		private Timer m_TimerDragDrop=null;
		private bool m_NewControlAdded=false;
		private bool m_SuspendInternalCursor=false;
		private bool m_DragLeave=false;
		private bool m_ControlRemoved=false;
		private DateTime m_JustAdded=DateTime.MinValue;
		private bool m_MouseDownSelectionPerformed=false;
        private bool m_PassiveContainer = false;
        protected bool m_AddingItem = false;
        protected bool m_CreatingItem = false;
        protected DesignerTransaction m_InsertItemTransaction = null;
        private bool m_InternalRemoveInProgress = false;
		#endregion

		#region Designer Implementation
		public BarBaseControlDesigner()
		{
			
		}

		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);
            }