功能增强的进度条控件（源码）[3]

         {

              // 该调用是 Windows.Forms 窗体设计器所必需的。

              InitializeComponent();

              base.Height = 23 ;

              this.Resize+=new EventHandler(GProgressBar_Resize);

              this.LocationChanged+=new EventHandler(GProgressBar_Resize);

         }

         private void GProgressBar_Resize(object sender,System.EventArgs e)

         {

              base.Refresh() ;