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C# 程序運行進度顯示Lable

nbsp ble ring textbox cati test nts int eve

       public void test()
        {
            Thread.Sleep(1000);
            string vvv = "";
            for (int i = 0; i < 100000;i++ )
            {
                vvv = vvv  +i.ToString() + "\r\n";
                lblTip.Text = "已完成:[" + ((float)i*100 / (float)100000).ToString("0.00") + "%]...的數據";
                Application.DoEvents();
            }
            
this.textBox1.Text = vvv; }

C# 程序運行進度顯示Lable