moel@345: using System;
moel@345: using System.Collections.Generic;
moel@345: using System.Collections.ObjectModel;
moel@345: using System.ComponentModel;
moel@345: using System.Drawing;
moel@345: using System.Drawing.Design;
moel@345: using System.Windows.Forms;
moel@345: 
moel@345: using Aga.Controls.Tree.NodeControls;
moel@345: 
moel@345: namespace Aga.Controls.Tree
moel@345: {
moel@345: 	public partial class TreeViewAdv
moel@345: 	{
moel@345: 		private Cursor _innerCursor = null;
moel@345: 
moel@345: 		public override Cursor Cursor
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345:                 if (_innerCursor != null)
moel@345:                     return _innerCursor;
moel@345:                 else
moel@345: 					return base.Cursor;
moel@345: 			}
moel@345: 			set
moel@345: 			{
moel@345: 				base.Cursor = value;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		#region Internal Properties
moel@345: 
moel@345: 		private IRowLayout _rowLayout;
moel@345: 
moel@345: 		private bool _dragMode;
moel@345: 		private bool DragMode
moel@345: 		{
moel@345: 			get { return _dragMode; }
moel@345: 			set
moel@345: 			{
moel@345: 				_dragMode = value;
moel@345: 				if (!value)
moel@345: 				{
moel@345: 					StopDragTimer();
moel@345: 					if (_dragBitmap != null)
moel@345: 						_dragBitmap.Dispose();
moel@345: 					_dragBitmap = null;
moel@345: 				}
moel@345: 				else
moel@345: 					StartDragTimer();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		internal int ColumnHeaderHeight
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				if (UseColumns)
moel@345: 					return _columnHeaderHeight;
moel@345: 				else
moel@345: 					return 0;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		/// <summary>
moel@345: 		/// returns all nodes, which parent is expanded
moel@345: 		/// </summary>
moel@345: 		private IEnumerable<TreeNodeAdv> VisibleNodes
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				TreeNodeAdv node = Root;
moel@345: 				while (node != null)
moel@345: 				{
moel@345: 					node = node.NextVisibleNode;
moel@345: 					if (node != null)
moel@345: 						yield return node;
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _suspendSelectionEvent;
moel@345: 		internal bool SuspendSelectionEvent
moel@345: 		{
moel@345: 			get { return _suspendSelectionEvent; }
moel@345: 			set
moel@345: 			{
moel@345: 				if (value != _suspendSelectionEvent)
moel@345: 				{
moel@345: 					_suspendSelectionEvent = value;
moel@345: 					if (!_suspendSelectionEvent && _fireSelectionEvent)
moel@345: 						OnSelectionChanged();
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private List<TreeNodeAdv> _rowMap;
moel@345: 		internal List<TreeNodeAdv> RowMap
moel@345: 		{
moel@345: 			get { return _rowMap; }
moel@345: 		}
moel@345: 
moel@345: 		private TreeNodeAdv _selectionStart;
moel@345: 		internal TreeNodeAdv SelectionStart
moel@345: 		{
moel@345: 			get { return _selectionStart; }
moel@345: 			set { _selectionStart = value; }
moel@345: 		}
moel@345: 
moel@345: 		private InputState _input;
moel@345: 		internal InputState Input
moel@345: 		{
moel@345: 			get { return _input; }
moel@345: 			set
moel@345: 			{
moel@345: 				_input = value;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _itemDragMode;
moel@345: 		internal bool ItemDragMode
moel@345: 		{
moel@345: 			get { return _itemDragMode; }
moel@345: 			set { _itemDragMode = value; }
moel@345: 		}
moel@345: 
moel@345: 		private Point _itemDragStart;
moel@345: 		internal Point ItemDragStart
moel@345: 		{
moel@345: 			get { return _itemDragStart; }
moel@345: 			set { _itemDragStart = value; }
moel@345: 		}
moel@345: 
moel@345: 
moel@345: 		/// <summary>
moel@345: 		/// Number of rows fits to the current page
moel@345: 		/// </summary>
moel@345: 		internal int CurrentPageSize
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _rowLayout.CurrentPageSize;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		/// <summary>
moel@345: 		/// Number of all visible nodes (which parent is expanded)
moel@345: 		/// </summary>
moel@345: 		internal int RowCount
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return RowMap.Count;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private int _contentWidth = 0;
moel@345: 		private int ContentWidth
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _contentWidth;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private int _firstVisibleRow;
moel@345: 		internal int FirstVisibleRow
moel@345: 		{
moel@345: 			get { return _firstVisibleRow; }
moel@345: 			set
moel@345: 			{
moel@345: 				HideEditor();
moel@345: 				_firstVisibleRow = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private int _offsetX;
moel@345: 		public int OffsetX
moel@345: 		{
moel@345: 			get { return _offsetX; }
moel@345: 			private set
moel@345: 			{
moel@345: 				HideEditor();
moel@345: 				_offsetX = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		public override Rectangle DisplayRectangle
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				Rectangle r = ClientRectangle;
moel@345: 				//r.Y += ColumnHeaderHeight;
moel@345: 				//r.Height -= ColumnHeaderHeight;
moel@345: 				int w = _vScrollBar.Visible ? _vScrollBar.Width : 0;
moel@345: 				int h = _hScrollBar.Visible ? _hScrollBar.Height : 0;
moel@345: 				return new Rectangle(r.X, r.Y, r.Width - w, r.Height - h);
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private List<TreeNodeAdv> _selection;
moel@345: 		internal List<TreeNodeAdv> Selection
moel@345: 		{
moel@345: 			get { return _selection; }
moel@345: 		}
moel@345: 
moel@345: 		#endregion
moel@345: 
moel@345: 		#region Public Properties
moel@345: 
moel@345: 		#region DesignTime
moel@345: 
moel@345: 		private bool _shiftFirstNode;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool ShiftFirstNode
moel@345: 		{
moel@345: 			get { return _shiftFirstNode; }
moel@345: 			set { _shiftFirstNode = value; }
moel@345: 		}
moel@345: 
moel@345: 		private bool _displayDraggingNodes;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool DisplayDraggingNodes
moel@345: 		{
moel@345: 			get { return _displayDraggingNodes; }
moel@345: 			set { _displayDraggingNodes = value; }
moel@345: 		}
moel@345: 
moel@345: 		private bool _fullRowSelect;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool FullRowSelect
moel@345: 		{
moel@345: 			get { return _fullRowSelect; }
moel@345: 			set
moel@345: 			{
moel@345: 				_fullRowSelect = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _useColumns;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool UseColumns
moel@345: 		{
moel@345: 			get { return _useColumns; }
moel@345: 			set
moel@345: 			{
moel@345: 				_useColumns = value;
moel@345: 				FullUpdate();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _allowColumnReorder;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool AllowColumnReorder
moel@345: 		{
moel@345: 			get { return _allowColumnReorder; }
moel@345: 			set { _allowColumnReorder = value; }
moel@345: 		}
moel@345: 
moel@345: 		private bool _showLines = true;
moel@345: 		[DefaultValue(true), Category("Behavior")]
moel@345: 		public bool ShowLines
moel@345: 		{
moel@345: 			get { return _showLines; }
moel@345: 			set
moel@345: 			{
moel@345: 				_showLines = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _showPlusMinus = true;
moel@345: 		[DefaultValue(true), Category("Behavior")]
moel@345: 		public bool ShowPlusMinus
moel@345: 		{
moel@345: 			get { return _showPlusMinus; }
moel@345: 			set
moel@345: 			{
moel@345: 				_showPlusMinus = value;
moel@345: 				FullUpdate();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _showNodeToolTips = false;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool ShowNodeToolTips
moel@345: 		{
moel@345: 			get { return _showNodeToolTips; }
moel@345: 			set { _showNodeToolTips = value; }
moel@345: 		}
moel@345: 
moel@345: 		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1801:ReviewUnusedParameters", MessageId = "value"), System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1822:MarkMembersAsStatic"), DefaultValue(true), Category("Behavior"), Obsolete("No longer used")]
moel@345: 		public bool KeepNodesExpanded
moel@345: 		{
moel@345: 			get { return true; }
moel@345: 			set {}
moel@345: 		}
moel@345: 
moel@345: 		private ITreeModel _model;
moel@345:         /// <Summary>
moel@345:         /// The model associated with this <see cref="TreeViewAdv"/>.
moel@345:         /// </Summary>
moel@345:         /// <seealso cref="ITreeModel"/>
moel@345:         /// <seealso cref="TreeModel"/>
moel@345:         [Browsable(false)]
moel@345: 		public ITreeModel Model
moel@345: 		{
moel@345: 			get { return _model; }
moel@345: 			set
moel@345: 			{
moel@345: 				if (_model != value)
moel@345: 				{
moel@345: 					AbortBackgroundExpandingThreads();
moel@345: 					if (_model != null)
moel@345: 						UnbindModelEvents();
moel@345: 					_model = value;
moel@345: 					CreateNodes();
moel@345: 					FullUpdate();
moel@345: 					if (_model != null)
moel@345: 						BindModelEvents();
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345:         // Tahoma is the default font
moel@345:         private static Font _font = new Font("Tahoma", 8.25F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(0)), false);
moel@345:         /// <summary>
moel@345:         /// The font to render <see cref="TreeViewAdv"/> content in.
moel@345:         /// </summary>
moel@345:         [Category("Appearance"), Description("The font to render TreeViewAdv content in.")]
moel@345:         public override Font Font
moel@345:         {
moel@345:             get
moel@345:             {
moel@345:                 return (base.Font);
moel@345:             }
moel@345:             set
moel@345:             {
moel@345:                 if (value == null)
moel@345:                     base.Font = _font;
moel@345:                 else
moel@345:                 {
moel@345:                     if (value == DefaultFont)
moel@345:                         base.Font = _font;
moel@345:                     else
moel@345:                         base.Font = value;
moel@345:                 }
moel@345:             }
moel@345:         }
moel@345:         public override void ResetFont()
moel@345:         {
moel@345:             Font = null;
moel@345:         }
moel@345:         private bool ShouldSerializeFont()
moel@345:         {
moel@345:             return (!Font.Equals(_font));
moel@345:         }
moel@345:         // End font property
moel@345: 
moel@345: 		private BorderStyle _borderStyle = BorderStyle.Fixed3D;
moel@345: 		[DefaultValue(BorderStyle.Fixed3D), Category("Appearance")]
moel@345: 		public BorderStyle BorderStyle
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return this._borderStyle;
moel@345: 			}
moel@345: 			set
moel@345: 			{
moel@345: 				if (_borderStyle != value)
moel@345: 				{
moel@345: 					_borderStyle = value;
moel@345: 					base.UpdateStyles();
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _autoRowHeight = false;
moel@345: 		/// <summary>
moel@345: 		/// Set to true to expand each row's height to fit the text of it's largest column.
moel@345: 		/// </summary>
moel@345: 		[DefaultValue(false), Category("Appearance"), Description("Expand each row's height to fit the text of it's largest column.")]
moel@345: 		public bool AutoRowHeight
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _autoRowHeight;
moel@345: 			}
moel@345: 			set
moel@345: 			{
moel@345: 				_autoRowHeight = value;
moel@345: 				if (value)
moel@345: 					_rowLayout = new AutoRowHeightLayout(this, RowHeight);
moel@345: 				else
moel@345: 					_rowLayout = new FixedRowHeightLayout(this, RowHeight);
moel@345: 				FullUpdate();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345:         private GridLineStyle _gridLineStyle = GridLineStyle.None;
moel@345:         [DefaultValue(GridLineStyle.None), Category("Appearance")]
moel@345:         public GridLineStyle GridLineStyle
moel@345:         {
moel@345:             get
moel@345:             {
moel@345:                 return _gridLineStyle;
moel@345:             }
moel@345:             set
moel@345:             {
moel@345: 				if (value != _gridLineStyle)
moel@345: 				{
moel@345: 					_gridLineStyle = value;
moel@345: 					UpdateView();
moel@345: 					OnGridLineStyleChanged();
moel@345: 				}
moel@345:             }
moel@345:         }
moel@345: 
moel@345: 		private int _rowHeight = 16;
moel@345: 		[DefaultValue(16), Category("Appearance")]
moel@345: 		public int RowHeight
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _rowHeight;
moel@345: 			}
moel@345: 			set
moel@345: 			{
moel@345: 				if (value <= 0)
moel@345: 					throw new ArgumentOutOfRangeException("value");
moel@345: 
moel@345: 				_rowHeight = value;
moel@345: 				_rowLayout.PreferredRowHeight = value;
moel@345: 				FullUpdate();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private TreeSelectionMode _selectionMode = TreeSelectionMode.Single;
moel@345: 		[DefaultValue(TreeSelectionMode.Single), Category("Behavior")]
moel@345: 		public TreeSelectionMode SelectionMode
moel@345: 		{
moel@345: 			get { return _selectionMode; }
moel@345: 			set { _selectionMode = value; }
moel@345: 		}
moel@345: 
moel@345: 		private bool _hideSelection;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool HideSelection
moel@345: 		{
moel@345: 			get { return _hideSelection; }
moel@345: 			set
moel@345: 			{
moel@345: 				_hideSelection = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private float _topEdgeSensivity = 0.3f;
moel@345: 		[DefaultValue(0.3f), Category("Behavior")]
moel@345: 		public float TopEdgeSensivity
moel@345: 		{
moel@345: 			get { return _topEdgeSensivity; }
moel@345: 			set
moel@345: 			{
moel@345: 				if (value < 0 || value > 1)
moel@345: 					throw new ArgumentOutOfRangeException();
moel@345: 				_topEdgeSensivity = value;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private float _bottomEdgeSensivity = 0.3f;
moel@345: 		[DefaultValue(0.3f), Category("Behavior")]
moel@345: 		public float BottomEdgeSensivity
moel@345: 		{
moel@345: 			get { return _bottomEdgeSensivity; }
moel@345: 			set
moel@345: 			{
moel@345: 				if (value < 0 || value > 1)
moel@345: 					throw new ArgumentOutOfRangeException("value should be from 0 to 1");
moel@345: 				_bottomEdgeSensivity = value;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _loadOnDemand;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool LoadOnDemand
moel@345: 		{
moel@345: 			get { return _loadOnDemand; }
moel@345: 			set { _loadOnDemand = value; }
moel@345: 		}
moel@345: 
moel@345: 		private bool _unloadCollapsedOnReload = false;
moel@345: 		[DefaultValue(false), Category("Behavior")]
moel@345: 		public bool UnloadCollapsedOnReload
moel@345: 		{
moel@345: 			get { return _unloadCollapsedOnReload; }
moel@345: 			set { _unloadCollapsedOnReload = value; }
moel@345: 		}
moel@345: 
moel@345: 		private int _indent = 19;
moel@345: 		[DefaultValue(19), Category("Behavior")]
moel@345: 		public int Indent
moel@345: 		{
moel@345: 			get { return _indent; }
moel@345: 			set
moel@345: 			{
moel@345: 				_indent = value;
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private Color _lineColor = SystemColors.ControlDark;
moel@345: 		[Category("Behavior")]
moel@345: 		public Color LineColor
moel@345: 		{
moel@345: 			get { return _lineColor; }
moel@345: 			set
moel@345: 			{
moel@345: 				_lineColor = value;
moel@345: 				CreateLinePen();
moel@345: 				UpdateView();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private Color _dragDropMarkColor = Color.Black;
moel@345: 		[Category("Behavior")]
moel@345: 		public Color DragDropMarkColor
moel@345: 		{
moel@345: 			get { return _dragDropMarkColor; }
moel@345: 			set
moel@345: 			{
moel@345: 				_dragDropMarkColor = value;
moel@345: 				CreateMarkPen();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private float _dragDropMarkWidth = 3.0f;
moel@345: 		[DefaultValue(3.0f), Category("Behavior")]
moel@345: 		public float DragDropMarkWidth
moel@345: 		{
moel@345: 			get { return _dragDropMarkWidth; }
moel@345: 			set
moel@345: 			{
moel@345: 				_dragDropMarkWidth = value;
moel@345: 				CreateMarkPen();
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _highlightDropPosition = true;
moel@345: 		[DefaultValue(true), Category("Behavior")]
moel@345: 		public bool HighlightDropPosition
moel@345: 		{
moel@345: 			get { return _highlightDropPosition; }
moel@345: 			set { _highlightDropPosition = value; }
moel@345: 		}
moel@345: 
moel@345: 		private TreeColumnCollection _columns;
moel@345: 		[Category("Behavior"), DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
moel@345: 		public Collection<TreeColumn> Columns
moel@345: 		{
moel@345: 			get { return _columns; }
moel@345: 		}
moel@345: 
moel@345: 		private NodeControlsCollection _controls;
moel@345: 		[Category("Behavior"), DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
moel@345: 		[Editor(typeof(NodeControlCollectionEditor), typeof(UITypeEditor))]
moel@345: 		public Collection<NodeControl> NodeControls
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _controls;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private bool _asyncExpanding;
moel@345: 		/// <summary>
moel@345: 		/// When set to true, node contents will be read in background thread.
moel@345: 		/// </summary>
moel@345: 		[Category("Behavior"), DefaultValue(false), Description("Read children in a background thread when expanding.")]
moel@345: 		public bool AsyncExpanding
moel@345: 		{
moel@345: 			get { return _asyncExpanding; }
moel@345: 			set { _asyncExpanding = value; }
moel@345: 		}
moel@345: 
moel@345: 		#endregion
moel@345: 
moel@345: 		#region RunTime
moel@345: 
moel@345: 		private IToolTipProvider _defaultToolTipProvider = null;
moel@345: 		[Browsable(false)]
moel@345: 		public IToolTipProvider DefaultToolTipProvider
moel@345: 		{
moel@345: 			get { return _defaultToolTipProvider; }
moel@345: 			set { _defaultToolTipProvider = value; }
moel@345: 		}
moel@345: 
moel@345: 		[Browsable(false)]
moel@345: 		public IEnumerable<TreeNodeAdv> AllNodes
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				if (_root.Nodes.Count > 0)
moel@345: 				{
moel@345: 					TreeNodeAdv node = _root.Nodes[0];
moel@345: 					while (node != null)
moel@345: 					{
moel@345: 						yield return node;
moel@345: 						if (node.Nodes.Count > 0)
moel@345: 							node = node.Nodes[0];
moel@345: 						else if (node.NextNode != null)
moel@345: 							node = node.NextNode;
moel@345: 						else
moel@345: 							node = node.BottomNode;
moel@345: 					}
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private DropPosition _dropPosition;
moel@345: 		[Browsable(false)]
moel@345: 		public DropPosition DropPosition
moel@345: 		{
moel@345: 			get { return _dropPosition; }
moel@345: 			set { _dropPosition = value; }
moel@345: 		}
moel@345: 
moel@345: 		private TreeNodeAdv _root;
moel@345: 		[Browsable(false)]
moel@345: 		public TreeNodeAdv Root
moel@345: 		{
moel@345: 			get { return _root; }
moel@345: 		}
moel@345: 
moel@345: 		private ReadOnlyCollection<TreeNodeAdv> _readonlySelection;
moel@345: 		[Browsable(false)]
moel@345: 		public ReadOnlyCollection<TreeNodeAdv> SelectedNodes
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				return _readonlySelection;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		[Browsable(false)]
moel@345: 		public TreeNodeAdv SelectedNode
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				if (Selection.Count > 0)
moel@345: 				{
moel@345: 					if (CurrentNode != null && CurrentNode.IsSelected)
moel@345: 						return CurrentNode;
moel@345: 					else
moel@345: 						return Selection[0];
moel@345: 				}
moel@345: 				else
moel@345: 					return null;
moel@345: 			}
moel@345: 			set
moel@345: 			{
moel@345: 				if (SelectedNode == value)
moel@345: 					return;
moel@345: 
moel@345: 				BeginUpdate();
moel@345: 				try
moel@345: 				{
moel@345: 					if (value == null)
moel@345: 					{
moel@345: 						ClearSelectionInternal();
moel@345: 					}
moel@345: 					else
moel@345: 					{
moel@345: 						if (!IsMyNode(value))
moel@345: 							throw new ArgumentException();
moel@345: 
moel@345: 						ClearSelectionInternal();
moel@345: 						value.IsSelected = true;
moel@345: 						CurrentNode = value;
moel@345: 						EnsureVisible(value);
moel@345: 					}
moel@345: 				}
moel@345: 				finally
moel@345: 				{
moel@345: 					EndUpdate();
moel@345: 				}
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		private TreeNodeAdv _currentNode;
moel@345: 		[Browsable(false)]
moel@345: 		public TreeNodeAdv CurrentNode
moel@345: 		{
moel@345: 			get { return _currentNode; }
moel@345: 			internal set { _currentNode = value; }
moel@345: 		}
moel@345: 
moel@345:         [Browsable(false)]
moel@345:         public int ItemCount
moel@345:         {
moel@345:             get { return RowMap.Count; }
moel@345:         }
moel@345: 
moel@345: 		/// <summary>
moel@345: 		/// Indicates the distance the content is scrolled to the left
moel@345: 		/// </summary>
moel@345: 		[Browsable(false)]
moel@345: 		public int HorizontalScrollPosition
moel@345: 		{
moel@345: 			get
moel@345: 			{
moel@345: 				if (_hScrollBar.Visible)
moel@345: 					return _hScrollBar.Value;
moel@345: 				else
moel@345: 					return 0;
moel@345: 			}
moel@345: 		}
moel@345: 
moel@345: 		#endregion
moel@345: 
moel@345: 		#endregion
moel@345: 
moel@345: 	}
moel@345: }