使用ProgressBar控制項

this.progressBar1 = new System.WinForms.ProgressBar();
progressBar1.Maximum = 200;
progressBar1.Manimum=0;
progressBar1.Step=20;

//使用ProgressBar控制項
protected void timer1_Tick (object sender, System.EventArgs e)
{
 if (progressBar1.Value >= 200 )
 {
  progressBar1.Value = 0;
 }
 progressBar1.Value += 20;//同progressBar1.PerformStep();
 Console.WriteLine(progressBar1.Value.ToString() );//取得值
}