Question

C# Task类 如何在线程结束后关闭窗口

private void loading_shown(object sender, EventArgs e)
{
Task mytask = Task.Factory.StartNew(() =>
{
Control.CheckForIllegalCrossThreadCalls = false;
loading_label1.Text = "验证成功，检查版本中，请稍后...";

checkingver();
loading_label1.Text = "检查版本完成！开始载入基本信息，请稍后...";

checklocal();
loading_label1.Text = "基本信息载入完成！请稍后...";
Control.CheckForIllegalCrossThreadCalls = true;

});
while (mytask.Status == TaskStatus.RanToCompletion)
{
this.Close();
}
while (mytask.IsCompleted == true)
{
this.Close();
}
}
不知道如何关闭这个窗口了

Answer 1

呵呵 用委托就完了（使用回调函数来关闭你的窗口 ）
1.
new Action(() =>
{
//do something
}).BeginInvoke(r =>
{
if (r.IsCompleted)
{
Console.WriteLine("Close you WIndow");
}
}, null);

2.使用取消架构
/// <summary>
/// 取消构架
/// </summary>
private CancellationTokenSource importCts = new CancellationTokenSource();

void myFunc()
{

Task task = new Task(new Action(() =>
{
if (importCts.IsCancellationRequested)
{
//close you window
}

if (true)
{
importCts.Cancel();
//set importCts.Cancel()
}
}),importCts.Token);

task .Start();
}

Answer 2

在Task.Factory.StartNew(() =>
{

}
线程部分最后加上this.close();
当然要用异步委托的的方式调用

Answer 3

用dispatcher