C#控件：TabControl

tabcontrol在切换页面的时候经常用到

这里讲下如何让tabcontrol更好看

ref：http://blog.****.net/conmajia/article/details/7596718

http://wenku.baidu.com/link?url=y4BdtX3mOer4Hdin019jJpXJLi-2_ehmEo7i08cxEp1OR_3gb5CqaHrnNEB2iLQyNDqpkNtnuREmn4GWpur081mIPuNH-1184wLkFzsVuEq

一。 创建一个类，加引用，using什么的，TabControlEx的基类为System.Windows.Forms.TabControl

二。加代码

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 using System.Drawing;
 using System.Drawing.Drawing2D;

 namespace MyTabControl
 {
     public class TabControlEx : System.Windows.Forms.TabControl
     {
         Image backImage;
         public TabControlEx()
         {
             base.SetStyle(
                 ControlStyles.UserPaint |
                 ControlStyles.OptimizedDoubleBuffer |
                 ControlStyles.ResizeRedraw |
                 ControlStyles.SupportsTransparentBackColor,
                 true);
             base.Update();
             this.SizeMode = TabSizeMode.Fixed;
             , );
             backImage = new Bitmap(this.GetType(), "MyTabControl.bmp");
         }
         Form oldman;
         protected override void OnParentChanged(EventArgs e)
         {
             if (oldman == null) oldman = this.FindForm();
             oldman.Text = ].Text;
         }
         protected override void OnSelected(TabControlEventArgs e)
         {
             Parent.Text = e.TabPage.Text;
         }
         protected override void OnPaint(PaintEventArgs e)
         {
             e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
             ; i < this.TabCount; i++)
             {
                 //e.Graphics.DrawRectangle(Pens.Red, this.GetTabRect(i));
                 if (this.SelectedIndex == i)
                 {
                     e.Graphics.DrawImage(backImage, this.GetTabRect(i));
                 }
                 Rectangle bounds = this.GetTabRect(i);
                 PointF textPoint = new PointF();
                 SizeF textSize = TextRenderer.MeasureText(this.TabPages[i].Text, this.Font);
                 textPoint.X = bounds.X + (bounds.Width - textSize.Width) / ;
                 textPoint.Y = bounds.Bottom - textSize.Height - this.Padding.Y;
                 e.Graphics.DrawString(
                     this.TabPages[i].Text,
                     this.Font,
                     SystemBrushes.ControlLightLight,
                     textPoint.X,
                     textPoint.Y);
                 textPoint.Y--;
                 e.Graphics.DrawString(
                     this.TabPages[i].Text,
                     this.Font,
                     SystemBrushes.ControlText,
                     textPoint.X,
                     textPoint.Y);
                 if (this.ImageList != null)
                 {
                     int index = this.TabPages[i].ImageIndex;
                     string key = this.TabPages[i].ImageKey;
                     Image icon = , );
                     )
                     {
                         icon = this.ImageList.Images[index];
                     }
                     if (!string.IsNullOrEmpty(key))
                     {
                         icon = this.ImageList.Images[key];
                     }
                     e.Graphics.DrawImage(
                         icon,
                         bounds.X + (bounds.Width - icon.Width) / ,
                         bounds.Top + this.Padding.Y);
                 }
             }
         }
     }
 }

三。加imagelist，并且为tabcontrol里的tabpage设置imageindex和imageKey

四。将此类加入工具箱中，注意将该项目的属性里的调试改为外部程序调试