public void OnDoWork(MultiDoWorkEventArgs e)
{
if (DoWork != null)
{
DoWork(this, e);
}
}
void multiBackgroundWorker1_DoWork(object sender, Core.MultiDoWorkEventArgs e)
{
//e.ta
string taskId = e.TaskID.ToString();
e.Result = Compute(taskId, (MultiBackgroundWorker)sender, e);
}
public void OnDoWork(MultiDoWorkEventArgs e)
{
if (DoWork != null)
{
DoWork(this, e);
}
}
private object Compute(string taskId, MultiBackgroundWorker multiBackgroundWorker, MultiDoWorkEventArgs e)
{
long result = 0;
int n = 200;
for (int i = 1; i <= n; i++)
{
//应该判断任务是否已被移除或取消
if (multiBackgroundWorker.WhetherTaskCancelledOrNot(taskId))
{
e.Cancel = true;
break;
}
result += i;
Thread.Sleep(100);
int progressPercentage = (int)((float)i / (float)n * 100);
multiBackgroundWorker.ReportProgress(taskId, progressPercentage, Thread.CurrentThread.ManagedThreadId);
}
return result;
}
public void WorkThreadStart(AsyncOperation async, object argument)
{
AsyncOperation asyncOp = async;
bool cancelled = false;
Exception error = null;
object result = null;
try
{
MultiDoWorkEventArgs args = new MultiDoWorkEventArgs(asyncOp.UserSuppliedState, argument);
this.OnDoWork(args);
if (args.Cancel)
{
cancelled = true;
}
else
{
result = args.Result;
}
}
catch (Exception exception)
{
error = exception;
}
if (!cancelled)
{
lock (this.userStateToLifeTime.SyncRoot)
{
this.userStateToLifeTime.Remove(asyncOp.UserSuppliedState);
}
}
MultiRunWorkerCompletedEventArgs completeArgs = new MultiRunWorkerCompletedEventArgs(asyncOp.UserSuppliedState, result, error, cancelled);
asyncOp.PostOperationCompleted(onRunWorkerCompletedDelegate, completeArgs);
}
public void WorkThreadStart(AsyncOperation async, object argument)
{
AsyncOperation asyncOp = async;
bool cancelled = false;
Exception error = null;
object result = null;
try
{
MultiDoWorkEventArgs args = new MultiDoWorkEventArgs(asyncOp.UserSuppliedState, argument);
this.OnDoWork(args);
if (args.Cancel)
{
cancelled = true;
}
else
{
result = args.Result;
}
}
catch (Exception exception)
{
error = exception;
}
if (!cancelled)
{
lock (this.userStateToLifeTime.SyncRoot)
{
this.userStateToLifeTime.Remove(asyncOp.UserSuppliedState);
}
}
MultiRunWorkerCompletedEventArgs completeArgs = new MultiRunWorkerCompletedEventArgs(asyncOp.UserSuppliedState, result, error, cancelled);
asyncOp.PostOperationCompleted(onRunWorkerCompletedDelegate, completeArgs);
}