[C#] backgroundworker應用並跳出處理畫面

兩個Form

在Form的按鈕寫入下列程式碼

   1: private void button1_Click(object sender, EventArgs e)

   2: {

   3:     processingcs pp = new processingcs();

   4:     if (pp.ShowDialog() == DialogResult.OK) { 

   5:     

   6:     }

   7: }

backgroundWorker1的屬性視窗，點選閃電圖示
然後將三個選項都Double Click.

在processingcs寫入下列程式碼

   1:  

   2:         private void processingcs_Load(object sender, EventArgs e)

   3:         {

   4:             backgroundWorker1.RunWorkerAsync();

   5:         }

   6:         private void DoWork() {

   7:             backgroundWorker1.WorkerReportsProgress = true;

   8:             for (int i = progressBar1.Minimum; i <= progressBar1.Maximum; i++)

   9:             {

  10:                 backgroundWorker1.ReportProgress(i);

  11:                 Thread.Sleep(50);

  12:             }

  13:         }

  14:         private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)

  15:         {

  16:             DoWork();

  17:         }

  18:         private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)

  19:         {

  20:             progressBar1.Value = e.ProgressPercentage;

  21:         }

  22:         private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)

  23:         {

  24:             this.DialogResult = DialogResult.OK;

  25:             this.Close();

  26:         }

範例下載https://github.com/xxzeng/BackgroundworkerDemo.git