private void btnStart_Click(object sender, EventArgs e)
{
source = new CancellationTokenSource();
pbStatus.Maximum = lvList.Items.Count;
lblMax.Text = pbStatus.Maximum + "";
pbStatus.Value = 0;
var items = lvList.Items;
foreach (ListViewItem lvItem in items)
{
var i = lvList.Items.IndexOf(lvItem);
Task.Factory.StartNew(() =>
{
sem.Wait();
if (!source.Token.IsCancellationRequested)
{
nowValueDelegate now = new nowValueDelegate(setNow);
Invoke(now, i, "等待中……", false);
Thread.Sleep(100);
}
return(4);
}).ContinueWith((item) =>
{
if (!source.Token.IsCancellationRequested)
{
nowValueDelegate now = new nowValueDelegate(setNow);
Invoke(now, i, "完成", true);
Console.WriteLine(i);
}
sem.Release();
});;
}
}
/// <summary>
/// 线程执行中的事件,设置进度条当前进度
/// 但是我不能直接操作进度条,需要一个委托来替我完成
/// </summary>
/// <param name="sender">ThreadMethod函数中传过来的当前值</param>
/// <param name="e"></param>
void method_threadEvent(object sender, EventArgs e)
{
int nowValue = Convert.ToInt32(sender);
nowValueDelegate now = new nowValueDelegate(setNow);
this.Invoke(now, nowValue);
}
private void SetProgressValue(int maximun, int position)
{
maxValueDelegate maxValueDelegate = new maxValueDelegate(SetMaxValue);
nowValueDelegate nowValueDelegate = new nowValueDelegate(SetNowValue);
this.pbcProcess.Invoke(maxValueDelegate, maximun);
this.pbcProcess.Invoke(nowValueDelegate, position);
toolStripProgressBar1.ProgressBar.Invoke(maxValueDelegate, maximun);
toolStripProgressBar1.ProgressBar.Invoke(nowValueDelegate, position);
}
/// <summary>
/// 线程执行中的事件,设置进度条当前进度
/// 但是我不能直接操作进度条,需要一个委托来替我完成
/// </summary>
/// <param name="sender">ThreadMethod函数中传过来的当前值</param>
/// <param name="e"></param>
void method_threadEvent(object sender, EventArgs e)
{
int nowValue = Convert.ToInt32(sender);
nowValueDelegate now = new nowValueDelegate(setNow);
Invoke(now, nowValue);
}