C#重绘TabControl

C#重绘TabControl的Tabpage标签，添加图片及关闭按钮

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->using System;   
using System.Collections.Generic;   
using System.ComponentModel;   
using System.Data;   
using System.Drawing;   
using System.Linq;   
using System.Text;   
using System.Windows.Forms;   
  
namespace TabControlTest   
{   
    public partial class Form1 : Form   
    {   
        public Form1()   
        {   
            InitializeComponent();   
        }   
  
        const int CLOSE_SIZE = 15;   
        Bitmap image = new Bitmap("ONE.ico");   
  
  
        private void MainTabControl_DrawItem(object sender, DrawItemEventArgs e)   
        {   
            try  
            {   
                Rectangle myTabRect = this.MainTabControl.GetTabRect(e.Index);   
  
                //先添加TabPage属性      
                e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text   
                , this.Font, SystemBrushes.ControlText, myTabRect.X + 2, myTabRect.Y + 2);   
  
                //再画一个矩形框   
                using (Pen p = new Pen(Color.White))   
                {   
                    myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);   
                    myTabRect.Width = CLOSE_SIZE;   
                    myTabRect.Height = CLOSE_SIZE;   
                    e.Graphics.DrawRectangle(p, myTabRect);   
  
                }   
  
                //填充矩形框   
                Color recColor = e.State == DrawItemState.Selected ? Color.White : Color.White;   
                using (Brush b = new SolidBrush(recColor))   
                {   
                    e.Graphics.FillRectangle(b, myTabRect);   
                }   
  
                //画关闭符号   
                using (Pen objpen = new Pen(Color.Black))   
                {   
                    //"\"线   
                    Point p1 = new Point(myTabRect.X + 3, myTabRect.Y + 3);   
                    Point p2 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + myTabRect.Height - 3);   
                    e.Graphics.DrawLine(objpen, p1, p2);   
  
                    //"/"线   
                    Point p3 = new Point(myTabRect.X + 3, myTabRect.Y + myTabRect.Height - 3);   
                    Point p4 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + 3);   
                    e.Graphics.DrawLine(objpen, p3, p4);   
                    ////=============================================   
                    Bitmap bt = new Bitmap(image);   
                    Point p5 = new Point(myTabRect.X - 50, 4);   
                    e.Graphics.DrawImage(bt, p5);   
                    //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, objpen.Brush, p5);   
                }   
  
  
                //绘制小图标                 
                //==============================================================================   
                //Bitmap bt = new Bitmap("E:\\1\\2.jpg");   
                //Point p5 = new Point(4, 4);   
                ////e.Graphics.DrawImage(bt, e.Bounds);   
                //e.Graphics.DrawImage(bt, p5);   
                //Pen pt = new Pen(Color.Red);   
                ////e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, e.Bounds);   
                //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, p5);   
  
                e.Graphics.Dispose();   
            }   
            catch  
            {   
    
            }   
    
        }   
  
        private void MainTabControl_MouseDown(object sender, MouseEventArgs e)   
        {   
             if (e.Button == MouseButtons.Left)   
             {   
                  int x = e.X, y = e.Y;   
  
                //计算关闭区域      
                 Rectangle myTabRect = this.MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);   
    
                 myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);   
                 myTabRect.Width = CLOSE_SIZE;   
                 myTabRect.Height = CLOSE_SIZE;   
    
                 //如果鼠标在区域内就关闭选项卡      
                 bool isClose = x > myTabRect.X && x < myTabRect.Right   
                  && y > myTabRect.Y && y < myTabRect.Bottom;   
    
                 if (isClose == true)   
                 {   
                     this.MainTabControl.TabPages.Remove(this.MainTabControl.SelectedTab);   
                 }   
             }   
    
  
        }   
  
         //初始化页面   
         private void Form1_Load(object sender, EventArgs e)   
         {   
             //清空控件   
             //this.MainTabControl.TabPages.Clear();   
             //绘制的方式OwnerDrawFixed表示由窗体绘制大小也一样   
             this.MainTabControl.DrawMode = TabDrawMode.OwnerDrawFixed;   
             this.MainTabControl.Padding = new System.Drawing.Point(CLOSE_SIZE, CLOSE_SIZE);   
             this.MainTabControl.DrawItem += new DrawItemEventHandler(this.MainTabControl_DrawItem);   
             this.MainTabControl.MouseDown += new System.Windows.Forms.MouseEventHandler(this.MainTabControl_MouseDown);   
         }   
  
         //添加新的tabPage并修改所有tabPage标签上面的图片   
         private void button1_Click(object sender, EventArgs e)   
         {   
             TabPage tabtage = new TabPage();   
             MainTabControl.TabPages.Add(tabtage);   
             MainTabControl.SelectedTab = tabtage;   
             image = new Bitmap("ONE.ico");   
  
  
         }   
         //关闭选中的tabPage   
         private void button2_Click(object sender, EventArgs e)   
         {   
             MainTabControl.TabPages.Remove(MainTabControl.SelectedTab);   
         }   
    }   
}

View Code

C#重绘TabControl的Tabpage标签，添加图片及关闭按钮2

C#重绘TabControl的Tabpage标签，添加图片及关闭按钮

2009-12-15  来自：网上整理  字体大小：【大 中 小】
摘要：本文介绍C#重绘TabControl的Tabpage标签，添加图片及关闭按钮，并提供完整的实现代码。

 以下就是C#重绘TabControl控件的源码：

 1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Windows.Forms;
  9 
 10 
 11 namespace TabControlTest
 12 {
 13     public partial class Form1 : Form
 14     {
 15         public Form1()
 16         {
 17             InitializeComponent();
 18         }
 19 
 20         const int CLOSE_SIZE = 15;
 21  //tabPage标签图片
 22         Bitmap image = new Bitmap("E:\\1\\2.jpg");
 23 //绘制“Ｘ”号即关闭按钮
 24         private void MainTabControl_DrawItem(object sender, DrawItemEventArgs e)
 25         {
 26 
 27             try
 28             {
 29                 Rectangle myTabRect = this.MainTabControl.GetTabRect(e.Index);
 30 
 31                 //先添加TabPage属性   
 32                 e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text
 33                 , this.Font, SystemBrushes.ControlText, myTabRect.X + 2, myTabRect.Y + 2);
 34 
 35                 //再画一个矩形框
 36                 using (Pen p = new Pen(Color.White))
 37                 {
 38                     myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
 39                     myTabRect.Width = CLOSE_SIZE;
 40                     myTabRect.Height = CLOSE_SIZE;
 41                     e.Graphics.DrawRectangle(p, myTabRect);
 42                  
 43                 }
 44 
 45                 //填充矩形框
 46                 Color recColor = e.State == DrawItemState.Selected ? Color.White : Color.White;
 47                 using (Brush b = new SolidBrush(recColor))
 48                 {
 49                     e.Graphics.FillRectangle(b, myTabRect);
 50                 }
 51 
 52                 //画关闭符号
 53                 using (Pen objpen = new Pen(Color.Black))
 54                 {
 55                     //"\"线
 56                     Point p1 = new Point(myTabRect.X + 3, myTabRect.Y + 3);
 57                     Point p2 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + myTabRect.Height - 3);
 58                     e.Graphics.DrawLine(objpen, p1, p2);
 59 
 60                     //"/"线
 61                     Point p3 = new Point(myTabRect.X + 3, myTabRect.Y + myTabRect.Height - 3);
 62                     Point p4 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + 3);
 63                     e.Graphics.DrawLine(objpen, p3, p4);
 64                       ////=============================================
 65                     Bitmap bt = new Bitmap(image);
 66                     Point p5 = new Point(myTabRect.X-50, 4);
 67                     e.Graphics.DrawImage(bt, p5);
 68                     //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, objpen.Brush, p5);
 69                 }
 70 
 71 
 72                 //绘制小图标              
 73                 //==============================================================================
 74                 //Bitmap bt = new Bitmap("E:\\1\\2.jpg");
 75                 //Point p5 = new Point(4, 4);
 76                 ////e.Graphics.DrawImage(bt, e.Bounds);
 77                 //e.Graphics.DrawImage(bt, p5);
 78                 //Pen pt = new Pen(Color.Red);
 79                 ////e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, e.Bounds);
 80                 //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, p5);
 81 
 82                 e.Graphics.Dispose();
 83             }
 84             catch (Exception)
 85             {
 86 
 87             }
 88 
 89 
 90         }
 91         //=======================================================================
 92      
 93 //关闭按钮功能
 94         private void MainTabControl_MouseDown(object sender, MouseEventArgs e)
 95         {
 96             if (e.Button == MouseButtons.Left)
 97             {
 98                 int x = e.X, y = e.Y;
 99 
100                 //计算关闭区域   
101                 Rectangle myTabRect = this.MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);
102 
103                 myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
104                 myTabRect.Width = CLOSE_SIZE;
105                 myTabRect.Height = CLOSE_SIZE;
106 
107                 //如果鼠标在区域内就关闭选项卡   
108                 bool isClose = x > myTabRect.X && x < myTabRect.Right
109                  && y > myTabRect.Y && y < myTabRect.Bottom;
110 
111                 if (isClose == true)
112                 {
113                     this.MainTabControl.TabPages.Remove(this.MainTabControl.SelectedTab);
114                 }
115             }
116 
117 
118         }
119 //初始化页面
120         private void Form1_Load(object sender, EventArgs e)
121         {
122             //清空控件
123             //this.MainTabControl.TabPages.Clear();
124             //绘制的方式OwnerDrawFixed表示由窗体绘制大小也一样
125             this.MainTabControl.DrawMode = TabDrawMode.OwnerDrawFixed;
126             this.MainTabControl.Padding = new System.Drawing.Point(CLOSE_SIZE, CLOSE_SIZE);
127             this.MainTabControl.DrawItem += new DrawItemEventHandler(this.MainTabControl_DrawItem);
128             this.MainTabControl.MouseDown += new System.Windows.Forms.MouseEventHandler(this.MainTabControl_MouseDown);
129         }
130 
131  //添加新的tabPage并修改所有tabPage标签上面的图片
132         private void button1_Click(object sender, EventArgs e)
133         {
134             TabPage tabtage=new TabPage ();
135             MainTabControl.TabPages.Add(tabtage);
136             MainTabControl.SelectedTab = tabtage;
137             image = new Bitmap("E:\\1\\3.jpg");
138 
139 
140         }
141 //关闭选中的tabPage
142         private void button2_Click(object sender, EventArgs e)
143         {
144             MainTabControl.TabPages.Remove(MainTabControl.SelectedTab);
145         }
146 
147      
148 
149     }
150 }

C#重绘TabControl的Tabpage标签，添加图片及关闭按钮就像你介绍到这里了，希望对你有所帮助。

View Code

C#重绘TabControl控件的源码

1using System;
　　2 using System.Collections.Generic;
　　3 using System.ComponentModel;
　　4 using System.Data;
　　5 using System.Drawing;
　　6 using System.Linq;
　　7 using System.Text;
　　8 using System.Windows.Forms;
　　9
　　10
　　11 namespace TabControlTest
　　12 {
　　13     public partial class Form1 : Form
　　14     {
　　15         public Form1()
　　16         {
　　17             InitializeComponent();
　　18         }
　　19
　　20         const int CLOSE_SIZE = 15;
　　21 //tabPage标签图片
　　22         Bitmap image = new Bitmap("E:\\1\\2.jpg");
　　23 //绘制“Ｘ”号即关闭按钮
　　24         private void MainTabControl_DrawItem(object sender, DrawItemEventArgs e)
　　25         {
　　26
　　27             try
　　28             {
　　29                 Rectangle myTabRect = this.MainTabControl.GetTabRect(e.Index);
　　30
　　31                 //先添加 TabPage属性
　　32                 e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text
　　33                 , this.Font, SystemBrushes.ControlText, myTabRect.X + 2, myTabRect.Y + 2);
　　34
　　35                 //再画一个矩形框
　　36                 using (Pen p = new Pen(Color.White))
　　37                 {
　　38                     myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
　　39                     myTabRect.Width = CLOSE_SIZE;
　　40                     myTabRect.Height = CLOSE_SIZE;
　　41                     e.Graphics.DrawRectangle(p, myTabRect);
　　42
　　43                 }
　　44
　　45                 //填充矩形框
　　46                 Color recColor = e.State == DrawItemState.Selected ? Color.White : Color.White;
　　47                 using (Brush b = new SolidBrush(recColor))
　　48                 {
　　49                     e.Graphics.FillRectangle(b, myTabRect);
　　50                 }
　　51
　　52                 //画关闭符号
　　53                 using (Pen objpen = new Pen(Color.Black))
　　54                 {
　　55                     //"\"线
　　56                     Point p1 = new Point(myTabRect.X + 3, myTabRect.Y + 3);
　　57                     Point p2 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + myTabRect.Height - 3);
　　58                     e.Graphics.DrawLine(objpen, p1, p2);
　　59
　　60                     //"/"线
　　61                     Point p3 = new Point(myTabRect.X + 3, myTabRect.Y + myTabRect.Height - 3);
　　62                     Point p4 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + 3);
　　63                     e.Graphics.DrawLine(objpen, p3, p4);
　　64                       ////=============================================
　　65                     Bitmap bt = new Bitmap(image);
　　66                     Point p5 = new Point(myTabRect.X-50, 4);
　　67                     e.Graphics.DrawImage(bt, p5);
　　68                     //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, objpen.Brush, p5);
　　69                 }
　　70
　　71
　　72                 //绘制小图标
　　73                 //==============================================================================
　　74                 //Bitmap bt = new Bitmap("E:\\1\\2.jpg");
　　75                 //Point p5 = new Point(4, 4);
　　76                 ////e.Graphics.DrawImage(bt, e.Bounds);
　　77                 //e.Graphics.DrawImage(bt, p5);
　　78                 //Pen pt = new Pen(Color.Red);
　　79                 ////e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, e.Bounds);
　　80                 //e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text, this.Font, pt.Brush, p5);
　　81
　　82                 e.Graphics.Dispose();
　　83             }
　　84             catch (Exception)
　　85             {
　　86
　　87             }
　　88
　　89
　　90         }
　　91         //=======================================================================
　　92
　　93 //关闭按钮功能
　　94         private void MainTabControl_MouseDown(object sender, MouseEventArgs e)
　　95         {
　　96             if (e.Button == MouseButtons.Left)
　　97             {
　　98                 int x = e.X, y = e.Y;
　　99
　　100                 //计算关闭区域
　　101                 Rectangle myTabRect = this.MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);
　　102
　　103                 myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
　　104                 myTabRect.Width = CLOSE_SIZE;
　　105                 myTabRect.Height = CLOSE_SIZE;
　　106
　　107                 //如果鼠标在区域内就关闭选项卡
　　108                 bool isClose = x > myTabRect.X && x < myTabRect.Right
　　109                  && y > myTabRect.Y && y < myTabRect.Bottom;
　　110
　　111                 if (isClose == true)
　　112                 {
　　113                     this.MainTabControl.TabPages.Remove(this.MainTabControl.SelectedTab);
　　114                 }
　　115             }
　　116
　　117
　　118         }
　　119 //初始化页面
　　120         private void Form1_Load(object sender, EventArgs e)
　　121         {
　　122             //清空控件
　　123             //this.MainTabControl.TabPages.Clear();
　　124             //绘制的方式 OwnerDrawFixed表示由窗体绘制大小也一样
　　125             this.MainTabControl.DrawMode = TabDrawMode.OwnerDrawFixed;
　　126             this.MainTabControl.Padding = new System.Drawing.Point(CLOSE_SIZE, CLOSE_SIZE);
　　127             this.MainTabControl.DrawItem += new DrawItemEventHandler(this.MainTabControl_DrawItem);
　　128             this.MainTabControl.MouseDown += new System.Windows.Forms.MouseEventHandler(this.MainTabControl_MouseDown);
　　129         }
　　130
　　131 //添加新的tabPage并修改所有 tabPage标签上面的图片
　　132         private void button1_Click(object sender, EventArgs e)
　　133         {
　　134             TabPage tabtage=new TabPage ();
　　135             MainTabControl.TabPages.Add(tabtage);
　　136             MainTabControl.SelectedTab = tabtage;
　　137             image = new Bitmap("E:\\1\\3.jpg");
　　138
　　139
　　140         }
　　141 //关闭选中的tabPage
　　142         private void button2_Click(object sender, EventArgs e)
　　143         {
　　144             MainTabControl.TabPages.Remove(MainTabControl.SelectedTab);
　　145         }
　　146
　　147
　　148
　　149     }
　　150 }

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