478 lines
14 KiB
C#
478 lines
14 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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using System.ComponentModel;
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using System.Windows.Forms.VisualStyles;
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namespace LSLEditor.Docking
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{
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internal class VS2005DockPaneCaption : DockPaneCaptionBase
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{
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private sealed class InertButton : InertButtonBase
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{
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private Bitmap m_image, m_imageAutoHide;
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public InertButton(VS2005DockPaneCaption dockPaneCaption, Bitmap image, Bitmap imageAutoHide)
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: base()
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{
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m_dockPaneCaption = dockPaneCaption;
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m_image = image;
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m_imageAutoHide = imageAutoHide;
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RefreshChanges();
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}
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private VS2005DockPaneCaption m_dockPaneCaption;
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private VS2005DockPaneCaption DockPaneCaption
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{
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get { return m_dockPaneCaption; }
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}
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public bool IsAutoHide
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{
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get { return DockPaneCaption.DockPane.IsAutoHide; }
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}
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public override Bitmap Image
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{
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get { return IsAutoHide ? m_imageAutoHide : m_image; }
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}
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protected override void OnRefreshChanges()
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{
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if (DockPaneCaption.DockPane.DockPanel != null)
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{
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if (DockPaneCaption.TextColor != ForeColor)
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{
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ForeColor = DockPaneCaption.TextColor;
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Invalidate();
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}
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}
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}
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}
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#region consts
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private const int _TextGapTop = 2;
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private const int _TextGapBottom = 0;
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private const int _TextGapLeft = 3;
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private const int _TextGapRight = 3;
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private const int _ButtonGapTop = 2;
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private const int _ButtonGapBottom = 1;
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private const int _ButtonGapBetween = 1;
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private const int _ButtonGapLeft = 1;
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private const int _ButtonGapRight = 2;
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#endregion
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private static Bitmap _imageButtonClose;
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private static Bitmap ImageButtonClose
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{
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get
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{
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if (_imageButtonClose == null)
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_imageButtonClose = Resources.DockPane_Close;
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return _imageButtonClose;
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}
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}
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private InertButton m_buttonClose;
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private InertButton ButtonClose
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{
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get
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{
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if (m_buttonClose == null)
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{
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m_buttonClose = new InertButton(this, ImageButtonClose, ImageButtonClose);
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m_toolTip.SetToolTip(m_buttonClose, ToolTipClose);
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m_buttonClose.Click += new EventHandler(Close_Click);
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Controls.Add(m_buttonClose);
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}
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return m_buttonClose;
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}
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}
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private static Bitmap _imageButtonAutoHide;
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private static Bitmap ImageButtonAutoHide
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{
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get
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{
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if (_imageButtonAutoHide == null)
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_imageButtonAutoHide = Resources.DockPane_AutoHide;
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return _imageButtonAutoHide;
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}
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}
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private static Bitmap _imageButtonDock;
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private static Bitmap ImageButtonDock
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{
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get
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{
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if (_imageButtonDock == null)
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_imageButtonDock = Resources.DockPane_Dock;
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return _imageButtonDock;
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}
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}
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private InertButton m_buttonAutoHide;
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private InertButton ButtonAutoHide
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{
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get
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{
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if (m_buttonAutoHide == null)
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{
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m_buttonAutoHide = new InertButton(this, ImageButtonDock, ImageButtonAutoHide);
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m_toolTip.SetToolTip(m_buttonAutoHide, ToolTipAutoHide);
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m_buttonAutoHide.Click += new EventHandler(AutoHide_Click);
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Controls.Add(m_buttonAutoHide);
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}
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return m_buttonAutoHide;
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}
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}
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private static Bitmap _imageButtonOptions;
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private static Bitmap ImageButtonOptions
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{
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get
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{
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if (_imageButtonOptions == null)
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_imageButtonOptions = Resources.DockPane_Option;
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return _imageButtonOptions;
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}
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}
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private InertButton m_buttonOptions;
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private InertButton ButtonOptions
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{
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get
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{
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if (m_buttonOptions == null)
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{
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m_buttonOptions = new InertButton(this, ImageButtonOptions, ImageButtonOptions);
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m_toolTip.SetToolTip(m_buttonOptions, ToolTipOptions);
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m_buttonOptions.Click += new EventHandler(Options_Click);
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Controls.Add(m_buttonOptions);
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}
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return m_buttonOptions;
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}
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}
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private IContainer m_components;
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private IContainer Components
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{
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get { return m_components; }
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}
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private ToolTip m_toolTip;
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public VS2005DockPaneCaption(DockPane pane) : base(pane)
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{
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SuspendLayout();
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m_components = new Container();
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m_toolTip = new ToolTip(Components);
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ResumeLayout();
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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Components.Dispose();
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base.Dispose(disposing);
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}
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private static int TextGapTop
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{
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get { return _TextGapTop; }
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}
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private static Font TextFont
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{
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get { return SystemInformation.MenuFont; }
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}
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private static int TextGapBottom
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{
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get { return _TextGapBottom; }
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}
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private static int TextGapLeft
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{
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get { return _TextGapLeft; }
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}
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private static int TextGapRight
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{
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get { return _TextGapRight; }
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}
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private static int ButtonGapTop
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{
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get { return _ButtonGapTop; }
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}
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private static int ButtonGapBottom
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{
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get { return _ButtonGapBottom; }
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}
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private static int ButtonGapLeft
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{
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get { return _ButtonGapLeft; }
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}
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private static int ButtonGapRight
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{
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get { return _ButtonGapRight; }
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}
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private static int ButtonGapBetween
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{
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get { return _ButtonGapBetween; }
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}
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private static string _toolTipClose;
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private static string ToolTipClose
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{
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get
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{
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if (_toolTipClose == null)
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_toolTipClose = Strings.DockPaneCaption_ToolTipClose;
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return _toolTipClose;
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}
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}
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private static string _toolTipOptions;
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private static string ToolTipOptions
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{
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get
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{
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if (_toolTipOptions == null)
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_toolTipOptions = Strings.DockPaneCaption_ToolTipOptions;
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return _toolTipOptions;
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}
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}
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private static string _toolTipAutoHide;
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private static string ToolTipAutoHide
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{
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get
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{
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if (_toolTipAutoHide == null)
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_toolTipAutoHide = Strings.DockPaneCaption_ToolTipAutoHide;
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return _toolTipAutoHide;
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}
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}
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private static Blend _activeBackColorGradientBlend;
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private static Blend ActiveBackColorGradientBlend
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{
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get
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{
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if (_activeBackColorGradientBlend == null)
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{
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Blend blend = new Blend(2);
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blend.Factors = new float[]{0.5F, 1.0F};
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blend.Positions = new float[]{0.0F, 1.0F};
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_activeBackColorGradientBlend = blend;
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}
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return _activeBackColorGradientBlend;
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}
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}
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private Color TextColor
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{
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get
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{
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if (DockPane.IsActivated)
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return DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.TextColor;
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else
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return DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.TextColor;
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}
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}
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private static TextFormatFlags _textFormat =
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TextFormatFlags.SingleLine |
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TextFormatFlags.EndEllipsis |
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TextFormatFlags.VerticalCenter;
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private TextFormatFlags TextFormat
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{
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get
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{
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if (RightToLeft == RightToLeft.No)
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return _textFormat;
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else
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return _textFormat | TextFormatFlags.RightToLeft | TextFormatFlags.Right;
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}
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}
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protected internal override int MeasureHeight()
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{
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int height = TextFont.Height + TextGapTop + TextGapBottom;
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if (height < ButtonClose.Image.Height + ButtonGapTop + ButtonGapBottom)
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height = ButtonClose.Image.Height + ButtonGapTop + ButtonGapBottom;
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return height;
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint (e);
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DrawCaption(e.Graphics);
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}
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private void DrawCaption(Graphics g)
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{
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if (ClientRectangle.Width == 0 || ClientRectangle.Height == 0)
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return;
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if (DockPane.IsActivated)
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{
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Color startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.StartColor;
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Color endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.EndColor;
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LinearGradientMode gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.LinearGradientMode;
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using (LinearGradientBrush brush = new LinearGradientBrush(ClientRectangle, startColor, endColor, gradientMode))
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{
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brush.Blend = ActiveBackColorGradientBlend;
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g.FillRectangle(brush, ClientRectangle);
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}
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}
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else
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{
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Color startColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.StartColor;
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Color endColor = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.EndColor;
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LinearGradientMode gradientMode = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.LinearGradientMode;
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using (LinearGradientBrush brush = new LinearGradientBrush(ClientRectangle, startColor, endColor, gradientMode))
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{
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g.FillRectangle(brush, ClientRectangle);
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}
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}
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Rectangle rectCaption = ClientRectangle;
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Rectangle rectCaptionText = rectCaption;
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rectCaptionText.X += TextGapLeft;
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rectCaptionText.Width -= TextGapLeft + TextGapRight;
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rectCaptionText.Width -= ButtonGapLeft + ButtonClose.Width + ButtonGapRight;
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if (ShouldShowAutoHideButton)
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rectCaptionText.Width -= ButtonAutoHide.Width + ButtonGapBetween;
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if (HasTabPageContextMenu)
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rectCaptionText.Width -= ButtonOptions.Width + ButtonGapBetween;
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rectCaptionText.Y += TextGapTop;
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rectCaptionText.Height -= TextGapTop + TextGapBottom;
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Color colorText;
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if (DockPane.IsActivated)
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colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.ActiveCaptionGradient.TextColor;
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else
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colorText = DockPane.DockPanel.Skin.DockPaneStripSkin.ToolWindowGradient.InactiveCaptionGradient.TextColor;
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TextRenderer.DrawText(g, DockPane.CaptionText, TextFont, DrawHelper.RtlTransform(this, rectCaptionText), colorText, TextFormat);
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}
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protected override void OnLayout(LayoutEventArgs levent)
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{
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SetButtonsPosition();
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base.OnLayout (levent);
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}
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protected override void OnRefreshChanges()
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{
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SetButtons();
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Invalidate();
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}
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private bool CloseButtonEnabled
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{
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get { return (DockPane.ActiveContent != null)? DockPane.ActiveContent.DockHandler.CloseButton : false; }
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}
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/// <summary>
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/// Determines whether the close button is visible on the content
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/// </summary>
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private bool CloseButtonVisible
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{
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get { return (DockPane.ActiveContent != null) ? DockPane.ActiveContent.DockHandler.CloseButtonVisible : false; }
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}
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private bool ShouldShowAutoHideButton
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{
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get { return !DockPane.IsFloat; }
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}
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private void SetButtons()
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{
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ButtonClose.Enabled = CloseButtonEnabled;
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ButtonClose.Visible = CloseButtonVisible;
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ButtonAutoHide.Visible = ShouldShowAutoHideButton;
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ButtonOptions.Visible = HasTabPageContextMenu;
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ButtonClose.RefreshChanges();
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ButtonAutoHide.RefreshChanges();
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ButtonOptions.RefreshChanges();
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SetButtonsPosition();
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}
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private void SetButtonsPosition()
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{
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// set the size and location for close and auto-hide buttons
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Rectangle rectCaption = ClientRectangle;
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int buttonWidth = ButtonClose.Image.Width;
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int buttonHeight = ButtonClose.Image.Height;
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int height = rectCaption.Height - ButtonGapTop - ButtonGapBottom;
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if (buttonHeight < height)
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{
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buttonWidth = buttonWidth * (height / buttonHeight);
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buttonHeight = height;
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}
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Size buttonSize = new Size(buttonWidth, buttonHeight);
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int x = rectCaption.X + rectCaption.Width - 1 - ButtonGapRight - m_buttonClose.Width;
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int y = rectCaption.Y + ButtonGapTop;
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Point point = new Point(x, y);
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ButtonClose.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
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// If the close button is not visible draw the auto hide button overtop.
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// Otherwise it is drawn to the left of the close button.
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if (CloseButtonVisible)
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point.Offset(-(buttonWidth + ButtonGapBetween), 0);
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ButtonAutoHide.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
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if (ShouldShowAutoHideButton)
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point.Offset(-(buttonWidth + ButtonGapBetween), 0);
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ButtonOptions.Bounds = DrawHelper.RtlTransform(this, new Rectangle(point, buttonSize));
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}
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private void Close_Click(object sender, EventArgs e)
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{
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DockPane.CloseActiveContent();
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}
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private void AutoHide_Click(object sender, EventArgs e)
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{
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DockPane.DockState = DockHelper.ToggleAutoHideState(DockPane.DockState);
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if (DockHelper.IsDockStateAutoHide(DockPane.DockState))
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DockPane.DockPanel.ActiveAutoHideContent = null;
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}
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private void Options_Click(object sender, EventArgs e)
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{
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ShowTabPageContextMenu(PointToClient(Control.MousePosition));
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}
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protected override void OnRightToLeftChanged(EventArgs e)
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{
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base.OnRightToLeftChanged(e);
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PerformLayout();
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}
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}
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}
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