代码 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 }