1. 使用Task Factory创建
var tf = new TaskFactory(); var t1 = tf.StartNew(TaskMethod, "using a task factory");
2. 使用new Task()
var t3 = new Task(TaskMethod, "using task constructor and start"); t3.Start();
3. 使用task.Run( )
var t4 = Task.Run(() => TaskMethod("using the run method"));
4. 同步启动一个Task
var t1 = new Task(TaskMethod, "run sync"); t1.RunSynchronously();
5. 使用带返回参数的泛型定义 Task<TResult, object>(Func<object,TResult>f, object state)
static Tuple<int, int> TaskMethodWithResult(object division) { Tuple<int, int> input = (Tuple<int, int>)division; int result = input.First / input.Second; int remainder = input.First % input.Second; return new Tuple<int, int>(result, remainder); } static void TaskWithResult() { var t1 = new Task<Tuple<int, int>>(TaskMethodWithResult, new Tuple<int, int>(8, 3)); t1.Start(); Console.WriteLine(t1.Result); t1.Wait(); Console.WriteLine("result from task: {0} {1}", t1.Result.First, t1.Result.Second); }
6. 使用ContinueWith()在一个任务结束后,创建一个新的Task
static void FirstToDo() { Console.WriteLine("First Job to do."); } static void SecondToDo(Task t) { Console.WriteLine("task {0} finished, new task is {1}", t.Id, Task.CurrentId); Console.WriteLine("Second Job to do."); } static void TaskContinueWith() { var t1 = new Task(FirstToDo); var t2 = t1.ContinueWith(SecondToDo); t1.Start(); }