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https://github.com/eggplantlwj/VisionEdit.git
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229 lines
9.1 KiB
C#
229 lines
9.1 KiB
C#
// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 08-19-2019
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//
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// ***********************************************************************
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// <copyright file="UCCrumbNavigation.cs">
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// Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub：https://github.com/kwwwvagaa/NetWinformControl
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// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Drawing.Drawing2D;
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namespace HZH_Controls.Controls
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{
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/// <summary>
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/// Class UCCrumbNavigation.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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[DefaultEvent("ClickItemed")]
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public partial class UCCrumbNavigation : UserControl
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{
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/// <summary>
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/// The m nav color
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/// </summary>
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private Color m_navColor = Color.FromArgb(255, 77, 59);
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/// <summary>
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/// Gets or sets the color of the nav.
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/// </summary>
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/// <value>The color of the nav.</value>
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public Color NavColor
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{
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get { return m_navColor; }
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set
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{
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if (value == Color.Empty || value == Color.Transparent)
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return;
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m_navColor = value;
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Refresh();
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}
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}
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/// <summary>
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/// The m paths
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/// </summary>
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GraphicsPath[] m_paths;
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private CrumbNavigationItem[] items;
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public CrumbNavigationItem[] Items
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{
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get { return items; }
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set
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{
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items = value;
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if (value == null)
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m_paths = new GraphicsPath[0];
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else
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m_paths = new GraphicsPath[value.Length];
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Refresh();
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}
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}
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/// <summary>
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/// 获取或设置控件显示的文字的字体。
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/// </summary>
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/// <value>The font.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
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/// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override Font Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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base.Font = value;
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Refresh();
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}
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}
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/// <summary>
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/// 获取或设置控件的前景色。
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/// </summary>
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/// <value>The color of the fore.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override System.Drawing.Color ForeColor
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{
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get
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{
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return base.ForeColor;
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}
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set
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{
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base.ForeColor = value;
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Refresh();
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}
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}
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public delegate void CrumbNavigationEventHander(object sender, CrumbNavigationClickEventArgs e);
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public event CrumbNavigationEventHander ClickItemed;
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/// <summary>
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/// Initializes a new instance of the <see cref="UCCrumbNavigation" /> class.
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/// </summary>
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public UCCrumbNavigation()
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{
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InitializeComponent();
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this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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this.SetStyle(ControlStyles.DoubleBuffer, true);
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this.SetStyle(ControlStyles.ResizeRedraw, true);
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this.SetStyle(ControlStyles.Selectable, true);
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this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
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this.SetStyle(ControlStyles.UserPaint, true);
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this.MouseDown += UCCrumbNavigation_MouseDown;
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Items = new CrumbNavigationItem[0];
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if (ControlHelper.IsDesignMode())
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{
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Items = new CrumbNavigationItem[3];
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for (int i = 0; i < 3; i++)
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{
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Items[i] = new CrumbNavigationItem() { Text = "item" + (i + 1), Key = i.ToString() };
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}
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}
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}
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/// <summary>
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/// Handles the MouseDown event of the UCCrumbNavigation control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
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void UCCrumbNavigation_MouseDown(object sender, MouseEventArgs e)
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{
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if (ClickItemed != null)
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{
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if (!DesignMode)
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{
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if (m_paths != null && m_paths.Length > 0)
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{
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for (int i = 0; i < m_paths.Length; i++)
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{
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if (m_paths[i].IsVisible(e.Location))
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{
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ClickItemed(this, new CrumbNavigationClickEventArgs() { Index = i, Item = items[i] });
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}
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}
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}
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}
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}
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}
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/// <summary>
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/// Handles the <see cref="E:Paint" /> event.
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/// </summary>
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/// <param name="e">The <see cref="PaintEventArgs" /> instance containing the event data.</param>
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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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if (items != null && items.Length > 0)
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{
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var g = e.Graphics;
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g.SetGDIHigh();
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int intLastX = 0;
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int intLength = items.Length;
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for (int i = 0; i < items.Length; i++)
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{
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GraphicsPath path = new GraphicsPath();
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string strText = items[i].Text;
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System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
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int intTextWidth = (int)sizeF.Width + 1;
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path.AddLine(new Point(intLastX + 1, 1), new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth, 1));
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//if (i != (intLength - 1))
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//{
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path.AddLine(new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth, 1), new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth + 10, this.Height / 2));
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path.AddLine(new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth + 10, this.Height / 2), new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth - 1, this.Height - 1));
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//}
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//else
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//{
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// path.AddLine(new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth, 1), new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth, this.Height - 1));
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//}
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path.AddLine(new Point(intLastX + 1 + (i == 0 ? 0 : 10) + intTextWidth, this.Height - 1), new Point(intLastX + 1, this.Height - 1));
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if (i != 0)
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{
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path.AddLine(new Point(intLastX, this.Height - 1), new Point(intLastX + 1 + 10, this.Height / 2));
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path.AddLine(new Point(intLastX + 1 + 10, this.Height / 2), new Point(intLastX + 1, 1));
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}
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else
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{
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path.AddLine(new Point(intLastX + 1, this.Height - 1), new Point(intLastX + 1, 1));
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}
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g.FillPath(new SolidBrush((items[i].ItemColor == null || items[i].ItemColor == Color.Empty || items[i].ItemColor == Color.Transparent) ? m_navColor : items[i].ItemColor.Value), path);
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g.DrawString(strText, this.Font, new SolidBrush(this.ForeColor), new PointF(intLastX + 2 + (i == 0 ? 0 : 10), (this.Height - sizeF.Height) / 2 + 1));
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m_paths[i] = path;
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intLastX += ((i == 0 ? 0 : 10) + intTextWidth + (i == (intLength - 1) ? 0 : 10));
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}
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}
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}
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}
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}
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