A brief talk on C # application. Doevent effect

Application.doevents (): Handles all of the Windows messages currently in the message queue.

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1. Private void button1_click (object sender, EventArgs e)
2. {
3. For (int i = 0; i < 10000; i++)
4. {
5. Label1. Text = i.ToString ();
6. Application.doevents ();
7. }
8. }

Test, there is no application.doevents (), the label is basically in a false state, the last display of a 9999, plus the number will be converted to normal display.

From this test after the DoEvents function, should be doevents like to achieve the synchronization of the process. At no time, because of the priority problem, the program will execute the main process code, and then execute the code, and add the later can be executed synchronously.

A brief talk on C # application. Doevent effect