Source/ExplorerBarGroupItem.cs

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

namespace DevComponents.DotNetBar
{
	/// <summary>
	/// Represents the Explorer-Bar Group item.
	/// </summary>
	[System.ComponentModel.ToolboxItem(false),Designer(typeof(Design.ExplorerBarGroupItemDesigner))]
	public class ExplorerBarGroupItem:ImageItem,IDesignTimeProvider
	{
		#region Private Variables
		private Rectangle m_ExpandButtonRect=Rectangle.Empty;
		private bool m_ExpandButtonHot=false;
		private int m_Margin=2;
		private bool m_MouseOver=false;
		private bool m_MouseDown=false;
		private Rectangle m_PanelRect=Rectangle.Empty;

		private ItemStyleMapper m_HeaderStyle=null;
        private ItemStyleMapper m_HeaderHotStyle=null;
		private ItemStyleMapper m_BackgroundStyle=null;

        private ElementStyle m_TitleStyle = null;
        private ElementStyle m_TitleHotStyle = null;
        private ElementStyle m_BackStyle = null;
		private eExplorerBarStockStyle m_StockStyle=eExplorerBarStockStyle.Custom;

		private bool m_ExpandButtonVisible=true;

		//private eBarImageSize m_ItemImageSize=eBarImageSize.Default;
		private System.Drawing.Point m_MouseDownPt;

		// Used to host items that have windows associated with them....
		//private ExplorerBarPanelControlHost m_ControlHost=null;

		private const int EXPAND_MARGIN=25;

		private System.Drawing.Image m_Image=null;
		private int m_ImageIndex=-1; // Image index if image from ImageList is used
		private System.Drawing.Image m_ImageCachedIdx=null;
		private int m_SubItemsMargin=4;
		private bool m_XPSpecialGroup=false;

		// Expand Button Colors
		private Color m_ExpandBorderColor=Color.DarkGray;
		private Color m_ExpandBackColor=Color.White;
		private Color m_ExpandForeColor=SystemColors.ActiveCaption;
		private Color m_ExpandHotBorderColor=Color.DarkGray;
		private Color m_ExpandHotBackColor=Color.White;
		private Color m_ExpandHotForeColor=SystemColors.ActiveCaption;

		private bool m_HeaderExpands=true;
		private bool m_WordWrapSubItems=true;