正确使用工具条

正确使用Thread 更新Form 上的进度条 Progress

 

 

public partial class Test : Form     {         delegate void deleProgressSet(int i);         public Test_Progress()         {             InitializeComponent();         }

        private void button1_Click(object sender, EventArgs e)         {             progressBar1.Minimum = 0;             progressBar1.Maximum = 1000;             Thread oThread = new Thread(new ThreadStart(StartThread));             oThread.Start();         }

        private void StartThread()         {             for (int i = 0; i < 1000; i++ )             {                 Thread.Sleep(1);                 //progressBar1.Value = i;                 ShowMessage(i);             }                         }

        private void ShowMessage(int i)         {             if (InvokeRequired)             {                 deleProgressSet dele = new deleProgressSet(ShowMessage);                 BeginInvoke(dele,i);             }             else             {                 progressBar1.Value = i;             }         }     }