DotNet 4.8.1 build of DotNetBar
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295
PROMS/DotNetBar Source Code/Office2007Form/SystemCaptionItem.cs
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295
PROMS/DotNetBar Source Code/Office2007Form/SystemCaptionItem.cs
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using System;
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using System.Text;
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using System.Drawing;
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using System.ComponentModel;
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using System.Windows.Forms;
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using DevComponents.DotNetBar.Controls;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Represents an item that provides system buttons displayed on form caption.
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/// </summary>
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public class SystemCaptionItem : MDISystemItem
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{
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#region Private Variables
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private bool m_MinimizeVisible = true;
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private bool m_RestoreMaximizeVisible = true;
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private bool m_CloseVisible = true;
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private bool m_HelpVisible = false;
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private bool m_GlassEnabled = false;
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#endregion
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#region Internal Implementation
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/// <summary>
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/// Gets the default size of the system buttons.
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/// </summary>
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/// <returns></returns>
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internal override Size GetButtonSize()
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{
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Size s;
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if (!_CustomButtonSize.IsEmpty)
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return Dpi.Size(_CustomButtonSize);
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if (_ToolWindowButtons)
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{
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s = System.Windows.Forms.SystemInformation.ToolWindowCaptionButtonSize;
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s.Width += 5;
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return s;
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}
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s = System.Windows.Forms.SystemInformation.CaptionButtonSize;
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if (System.Environment.OSVersion.Version.Major < 6 && this.ContainerControl is RibbonStrip)
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s = new Size(Dpi.Width25, Dpi.Height25);
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else if (this.ContainerControl is TabFormStripControl)
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s = new Size(Dpi.Width25, Dpi.Height20);
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else if (StyleManager.IsMetro(this.EffectiveStyle))
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s = new Size(Dpi.Width25, Dpi.Height25);
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if (System.Environment.OSVersion.Version.Major >= 6 && s.Height == 19 && this.Parent is CaptionItemContainer)
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s.Height += 3;
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return s;
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}
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private Size _CustomButtonSize = Size.Empty;
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/// <summary>
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/// Gets or sets the custom button size to use instead of system determined size.
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public Size CustomButtonSize
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{
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get { return _CustomButtonSize; }
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set { _CustomButtonSize = value; }
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}
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public override void Paint(ItemPaintArgs pa)
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{
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if (this.SuspendLayout)
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return;
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if (_QueryIconOnPaint && pa.ContainerControl!=null)
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{
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Form parentForm = pa.ContainerControl.FindForm();
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if (parentForm != null)
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{
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this.SetIcon(parentForm.Icon);
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}
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}
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m_GlassEnabled = pa.GlassEnabled;
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if (pa.Renderer != null)
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pa.Renderer.DrawSystemCaptionItem(new SystemCaptionItemRendererEventArgs(pa.Graphics, this, pa.GlassEnabled));
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else
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base.Paint(pa);
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}
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protected override bool ShowToolTips
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{
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get
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{
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return !m_GlassEnabled;
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}
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}
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/// <summary>
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/// Gets or sets whether Minimize button is visible.
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/// </summary>
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[Browsable(false), DefaultValue(true)]
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public bool MinimizeVisible
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{
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get { return m_MinimizeVisible; }
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set
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{
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m_MinimizeVisible = value;
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NeedRecalcSize = true;
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this.OnAppearanceChanged();
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}
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}
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/// <summary>
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/// Gets or sets whether Restore/Maximize button is visible.
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/// </summary>
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[Browsable(false), DefaultValue(true)]
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public bool RestoreMaximizeVisible
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{
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get { return m_RestoreMaximizeVisible; }
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set
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{
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m_RestoreMaximizeVisible = value;
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NeedRecalcSize = true;
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this.OnAppearanceChanged();
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}
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}
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/// <summary>
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/// Gets or sets whether Close button is visible.
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/// </summary>
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[Browsable(false), DefaultValue(true)]
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public bool CloseVisible
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{
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get { return m_CloseVisible; }
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set
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{
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m_CloseVisible = value;
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NeedRecalcSize = true;
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this.OnAppearanceChanged();
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}
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}
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/// <summary>
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/// Gets or sets whether help button is visible.
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/// </summary>
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[Browsable(false), DefaultValue(false)]
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public bool HelpVisible
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{
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get { return m_HelpVisible; }
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set
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{
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m_HelpVisible = value;
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NeedRecalcSize = true;
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this.OnAppearanceChanged();
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}
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}
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public override void RecalcSize()
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{
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if (this.SuspendLayout)
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return;
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if (this.IsSystemIcon)
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{
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base.RecalcSize();
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}
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else
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{
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Size singleButtonSize = GetButtonSize();
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int buttonCount = 0;
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if (m_MinimizeVisible)
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buttonCount++;
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if(m_RestoreMaximizeVisible)
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buttonCount++;
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if (m_CloseVisible)
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buttonCount++;
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if (m_HelpVisible)
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buttonCount++;
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if (this.Orientation == eOrientation.Horizontal)
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m_Rect.Size = new Size(singleButtonSize.Width * buttonCount + buttonCount - 1, singleButtonSize.Height);
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else
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m_Rect.Size = new Size(singleButtonSize.Width, singleButtonSize.Height * buttonCount + buttonCount - 1);
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}
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m_NeedRecalcSize = false;
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}
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internal override SystemButton GetButton(int x, int y)
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{
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Rectangle r = new Rectangle(this.DisplayRectangle.Location, GetButtonSize());
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//r.Inflate(-1, -2);
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r.Location = this.DisplayRectangle.Location;
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if (this.Orientation == eOrientation.Horizontal)
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r.Offset(0, (this.DisplayRectangle.Height - r.Height) / 2);
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else
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r.Offset((this.WidthInternal - r.Width) / 2, 0);
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if (m_HelpVisible && (!IsRightToLeft || m_CloseVisible && IsRightToLeft))
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{
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if (r.Contains(x, y))
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{
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if (IsRightToLeft)
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return SystemButton.Close;
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else
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return SystemButton.Help;
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}
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if (this.Orientation == eOrientation.Horizontal)
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r.Offset(r.Width + 1, 0);
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else
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r.Offset(0, r.Height + 1);
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}
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if (m_MinimizeVisible && m_HelpVisible || !m_HelpVisible && m_MinimizeVisible && (!IsRightToLeft || m_CloseVisible && IsRightToLeft))
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{
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if (r.Contains(x, y))
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{
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if (IsRightToLeft)
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return SystemButton.Close;
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else
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return SystemButton.Minimize;
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}
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if (this.Orientation == eOrientation.Horizontal)
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r.Offset(r.Width + 1, 0);
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else
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r.Offset(0, r.Height + 1);
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}
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if (m_RestoreMaximizeVisible)
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{
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if (r.Contains(x, y))
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{
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if (this.RestoreEnabled)
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return SystemButton.Restore;
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return SystemButton.Maximize;
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}
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if (this.Orientation == eOrientation.Horizontal)
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r.Offset(r.Width + 3, 0);
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else
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r.Offset(0, r.Height + 3);
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}
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if (m_CloseVisible && !IsRightToLeft || m_MinimizeVisible && IsRightToLeft)
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{
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if (r.Contains(x, y))
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{
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if (IsRightToLeft)
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return SystemButton.Minimize;
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else
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return SystemButton.Close;
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}
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}
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return SystemButton.None;
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}
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public override void Refresh()
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{
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base.Refresh();
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System.Drawing.Rectangle inv = m_Rect;
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Control c = this.ContainerControl as Control;
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if (c != null && IsHandleValid(c))
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{
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const int RDW_INVALIDATE = 0x0001;
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const int RDW_FRAME = 0x0400;
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int height = SystemInformation.Border3DSize.Height + SystemInformation.CaptionHeight;
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NativeFunctions.RECT r = new NativeFunctions.RECT(0, -height, c.Width, height);
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NativeFunctions.RedrawWindow(c.Handle, ref r, IntPtr.Zero, RDW_INVALIDATE | RDW_FRAME);
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}
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}
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private bool _QueryIconOnPaint = false;
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/// <summary>
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/// Gets or sets whether Icon is queried when item is painted. Default value is false.
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/// </summary>
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[Browsable(false)]
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public bool QueryIconOnPaint
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{
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get { return _QueryIconOnPaint; }
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set
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{
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_QueryIconOnPaint = value;
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}
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}
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private bool _ToolWindowButtons = false;
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internal bool ToolWindowButtons
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{
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get { return _ToolWindowButtons; }
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set { _ToolWindowButtons = value;}
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}
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#endregion
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}
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}
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