c# Winform UI异步委托

 1 public class UISync
 2     {
 3         private static ISynchronizeInvoke Sync;
 4 
 5         public static void Init(ISynchronizeInvoke sync)
 6         {
 7             Sync = sync;
 8         }
 9 
10         public static void Execute(Action action)
11         {
12             Sync.BeginInvoke(action, null);
13         }
14     }
15 
16     public partial class Form1 : Form
17     {
18         TrackBar trackBar1 = new TrackBar();
19         Label lblTime = new Label();
20         Label lblDuration = new Label();
21 
22         public Form1()
23         {
24             UISync.Init(this);
25         }
26 
27         void Events_PlayerStopped(object sender, EventArgs e)
28         {
29             UISync.Execute(() => InitControls());
30         }
31 
32         void Events_MediaEnded(object sender, EventArgs e)
33         {
34             UISync.Execute(() => InitControls());
35         }
36 
37         private void InitControls()
38         {
39             trackBar1.Value = 0;
40             lblTime.Text = "00:00:00";
41             lblDuration.Text = "00:00:00";
42         }
43 
44         void Events_TimeChanged(object sender, EventArgs e)
45         {
46             UISync.Execute(() => lblTime.Text = TimeSpan.FromMilliseconds(DateTime.Now.Millisecond).ToString().Substring(0, 8));
47         }
48 
49         void Events_PlayerPositionChanged(object sender, EventArgs e)
50         {
51             UISync.Execute(() => trackBar1.Value = (int)(88 * 100));
52         }
53 
54 
55         void Events_DurationChanged(object sender, EventArgs e)
56         {
57             UISync.Execute(() => lblDuration.Text = TimeSpan.FromMilliseconds(DateTime.Now.Millisecond).ToString().Substring(0, 8));
58         }
59     }