Application.Idle 事件

描述：當應用程序完成處理並即將進入空閑狀態時發生。如果您有必須執行的任務在線程變為空閑之前，請將它們附加到此事件。

 1     public partial class Form1 : Form
 2     {
 3         /// <summary>
 4         /// 空閑期間執行的次數
 5         /// </summary>
 6         private int executeTimes = 0;
 7 
 8         public Form1()
 9         {
 
10             InitializeComponent();
11         }
12 
13         private void btnGetTime_Click(object sender, EventArgs e)
14         {
15             Application.Idle += Application_Idle;
16         }
17 
18         /// <summary>
19         /// 當程序完成處理並進入空閑狀態時發生
20         /// </summary>
 

21         /// <param name="sender"></param>
22         /// <param name="e"></param>
23         private void Application_Idle(object sender, EventArgs e)
24         {
25             txtTime.Text = DateTime.Now.ToString();
26 
27             executeTimes++;
28             if (executeTimes==9
 
)
29             {
30                 Application.Idle -= Application_Idle;
31                 MessageBox.Show("已經在CPU空閑時間執行10次");
32             }
33         }
34     }

WinForm中Application.Idle事件用法