tabcontrol的alignment属性设置成Left或Right时，tabPage的text内

最新推荐文章于 2024-04-01 11:18:43 发布

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最新推荐文章于 2024-04-01 11:18:43 发布

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文章标签： c#

原文链接：http://www.cnblogs.com/DoNetCShap/archive/2012/03/05/2380093.html

本文介绍了如何使用VB.NET和C#.NET编程语言自定义TabControl的Tab项样式，包括设置用户绘制方式、对齐布局、大小调整及绘制Tab项背景和文本。

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VB.net >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Private   tabArea   As   Rectangle   
          Private   tabTextArea   As   RectangleF   

          Private   Sub   Form1_Load(ByVal   sender   As   System.Object,   ByVal   e   As   System.EventArgs)   Handles   MyBase.Load   
                  Me.TabControl1.DrawMode   =   TabDrawMode.OwnerDrawFixed   '设置用户绘制方式   
                  Me.TabControl1.Alignment   =   TabAlignment.Right   '设置TAB项右对齐布局   
                  'TabControl1.SizeMode   =   TabSizeMode.Fixed   ‘设置TAB项大小的方式（全都一样大小）   
                  'TabControl1.ItemSize   =   New   Size(150,   20)   '设置大小   
          End   Sub   

          Private   Sub   TabControl1_DrawItem(ByVal   sender   As   Object,   ByVal   e   As   System.Windows.Forms.DrawItemEventArgs)   Handles   TabControl1.DrawItem   
                  tabArea   =   TabControl1.GetTabRect(e.Index)   '主要是做个转换来获得TAB项的RECTANGELF   
                  tabTextArea   =   RectangleF.op_Implicit(TabControl1.GetTabRect(e.Index))   
                  Dim   g   As   Graphics   =   e.Graphics   
                  Dim   sf   As   New   StringFormat()   '封装文本布局信息   
    
                  sf.LineAlignment   =   StringAlignment.Center   
                  sf.Alignment   =   StringAlignment.Center   

                  Dim   p   As   New   Pen(Color.Blue)   '绘制边框的画笔   
                  Dim   font   As   New   Font("Arial",   10.0F)   
                  Dim   brush   As   New   SolidBrush(Color.Red)   

                  g.DrawRectangle(p,   tabArea)   '绘制边框   
                  '绘制文字   
                  g.DrawString(CType(sender,   TabControl).TabPages(e.Index).Text,   font,   brush,   tabTextArea,   sf)   
          End   Sub

C#.net>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

private   Rectangle   tabArea;   
private   RectangleF   tabTextArea   ;   

private   void   frmopen_Load(object   sender,   System.EventArgs   e)   
  {   
this.tabControl1.DrawMode   =   TabDrawMode.OwnerDrawFixed;     
  }   

private   void   tabControl1_DrawItem(object   sender,   System.Windows.Forms.DrawItemEventArgs   e)   
  {   
  tabArea   =   tabControl1.GetTabRect(e.Index);     

 tabTextArea = tabArea;


  Graphics   g   =   e.Graphics;     

  StringFormat   sf   =   new   StringFormat();     

  sf.LineAlignment   =   StringAlignment.Center;     

  sf.Alignment   =   StringAlignment.Center;     

  Font   font   =   this.tabControl1.Font   ;     

  SolidBrush   brush   =   new   SolidBrush(Color.Black);     

  g.DrawString(((TabControl)(sender)).TabPages[e.Index].Text,   font,   brush,   tabTextArea,   sf);     
  }