Parallel parallel programming

Parallel==Task+waitall (The main thread is also utilized, Task is improved) 
Invoke()

Parallel.Invoke(() =>
this.DoSomethingLong("btnParallel_Click_0")
 , () => this.DoSomethingLong("btnParallel_Click_1")
 , () => this.DoSomethingLong("btnParallel_Click_2")
 , () => this.DoSomethingLong("btnParallel_Click_3")
 , () => this.DoSomethingLong("btnParallel_Click_4")
 , () => this.DoSomethingLong("btnParallel_Click_5"));

For()

1 Parallel.For(0, 5, t => this.DoSomethingLong($"btnParallel_Click_{t}"));

 

Foreach() (You can use ParallelOptions to set the maximum concurrent number)

1 Parallel.ForEach(new int[] { 1, 2, 3, 4, 5 }, t => this.DoSomethingLong($"btnParallel_Click_{t}"));

1 ParallelOptions option = new ParallelOptions()
2 {
3     MaxDegreeOfParallelism = 3//最大并发数
4 };
5 Parallel.ForEach(new int[] { 1, 2, 3, 4, 5, 6 }, option, t =>
6 {
7     this.DoSomethingLong($"btnParallel_Click_{t}");
8 });

 1 new Action(() =>
 2 {
 3 ParallelOptions option = new ParallelOptions()
 4 {
 5     MaxDegreeOfParallelism = 3//最大并发数
 6 };
 7 Parallel.ForEach(new int[] { 1, 2, 3, 4, 5, 6 }, option, t =>
 8 {
 9     this.DoSomethingLong($"btnParallel_Click_{t}");
10 });
11 }).BeginInvoke(null, null);

thread nested thread

Thread Break and Stop

1 ParallelOptions option = new ParallelOptions()
 2  {
 3      MaxDegreeOfParallelism = 3 // Maximum concurrency 
4  };
 5 Parallel.ForEach( new  int [] { 1 , 2 , 3 , 4 , 5 , 6 }, option, (t, state) =>
 6  {
 7      this .DoSomethingLong($ " btnParallel_Click_{t} " );
 8      // state.Break(); // this time ends
 9      //return; 
10  
11      state.Stop(); // The entire Parallel ends 
12      return ;
 13      // Cannot coexist 
14 });