Source/ExpandableSplitter.cs

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using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Windows.Forms;
using System.Windows.Forms.Design;
using DevComponents.DotNetBar.Rendering;

namespace DevComponents.DotNetBar
{
	/// <summary>
	/// Represents multi-functional splitter control.
	/// </summary>
	[ToolboxItem(true),Designer(typeof(ExpandableSplitterDesigner)),System.Runtime.InteropServices.ComVisible(false),DefaultEvent("ExpandedChanged")]
	public class ExpandableSplitter:Splitter, IMessageHandlerClient
	{
		#region Private Variables
		private int m_AnimationTime=100;
		private Control m_ExpandableControl=null;
		private bool m_Expanded=true;
		private eSplitterStyle m_Style=eSplitterStyle.Office2003;
		private bool m_Expandable=true;
		private eShortcut m_Shortcut=eShortcut.None;
		private bool m_FilterInstalled=false;
		private bool m_MouseOver=false;
		private bool m_MouseDown=false;
		private bool m_Resized=false;
		private Point m_MouseDownPoint=Point.Empty;

		private ColorScheme m_ColorScheme=null;
		private eColorSchemePart m_BackColorSchemePart=eColorSchemePart.None;
		private Color m_BackColor2=Color.Empty;
		private eColorSchemePart m_BackColor2SchemePart=eColorSchemePart.None;
		private int m_BackColorGradientAngle=0;
		private Color m_ExpandFillColor=Color.Empty;
		private eColorSchemePart m_ExpandFillColorSchemePart=eColorSchemePart.None;
		private Color m_ExpandLineColor=Color.Empty;
		private eColorSchemePart m_ExpandLineColorSchemePart=eColorSchemePart.None;
		private Color m_GripDarkColor=Color.Empty;
		private eColorSchemePart m_GripDarkColorSchemePart=eColorSchemePart.None;
		private Color m_GripLightColor=Color.Empty;
		private eColorSchemePart m_GripLightColorSchemePart=eColorSchemePart.None;
		// Hot colors
		private Color m_HotBackColor=Color.Empty;
		private eColorSchemePart m_HotBackColorSchemePart=eColorSchemePart.None;
		private Color m_HotBackColor2=Color.Empty;
		private eColorSchemePart m_HotBackColor2SchemePart=eColorSchemePart.None;
		private int m_HotBackColorGradientAngle=0;
		private Color m_HotExpandFillColor=Color.Empty;
		private eColorSchemePart m_HotExpandFillColorSchemePart=eColorSchemePart.None;
		private Color m_HotExpandLineColor=Color.Empty;
		private eColorSchemePart m_HotExpandLineColorSchemePart=eColorSchemePart.None;
		private Color m_HotGripDarkColor=Color.Empty;
		private eColorSchemePart m_HotGripDarkColorSchemePart=eColorSchemePart.None;
		private Color m_HotGripLightColor=Color.Empty;
		private eColorSchemePart m_HotGripLightColorSchemePart=eColorSchemePart.None;

		private SplitterPainter m_Painter=null;
		private SplitterPaintInfo m_SplitterPaintInfo=new SplitterPaintInfo();
		private bool m_ExpandActionClick=true;