/// <summary>
/// ����������״̬�仯�¼�
/// </summary>
/// <param name="status">������״̬</param>
/// <param name="result">�������������</param>
protected void FireStatusChangedEvent(TaskStatus status, object result)
{
if( TaskStatusChanged != null )
{
TaskEventArgs args = new TaskEventArgs( status,result);
AsyncInvoke(TaskStatusChanged,args);
}
}
/// <summary>
/// ������������ִ���з��ִ����¼�
/// </summary>
/// <param name="progress">�������(0-100)</param>
/// <param name="result">�������������</param>
protected void FireThrowErrorEvent(int progress, object result)
{
if( TaskThrowError != null )
{
TaskEventArgs args = new TaskEventArgs( progress,result);
AsyncInvoke(TaskThrowError,args);
}
}
/// <summary>
/// ������������ȡ���¼�
/// </summary>
/// <param name="progress">�������(0-100)</param>
/// <param name="result">�������������</param>
protected void FireCancelEvent(int progress, object result)
{
if( TaskCancel != null )
{
TaskEventArgs args = new TaskEventArgs( progress,result);
AsyncInvoke(TaskCancel,args);
}
}
/// <summary>
/// ����������ȱ仯�¼�
/// </summary>
/// <param name="progress">�������(0-100)</param>
/// <param name="result">�������������</param>
protected void FireProgressChangedEvent(int progress, object result)
{
if( TaskProgressChanged != null )
{
TaskEventArgs args = new TaskEventArgs( progress,result);
AsyncInvoke(TaskProgressChanged,args);
}
}
/// <summary>
/// ������������ǿ����ֹ�¼�
/// </summary>
/// <param name="progress">�������(0-100)</param>
/// <param name="result">�������������</param>
protected void FireAbortEvent(int progress, object result)
{
if( TaskAbort != null )
{
TaskEventArgs args = new TaskEventArgs( progress,result);
AsyncInvoke(TaskAbort,args);
}
}
/// <summary>
/// �첽���ùҽ��¼�ί��
/// </summary>
/// <param name="eventhandler">�¼�����������</param>
/// <param name="args">�¼���Ϣ</param>
protected void AsyncInvoke(TaskEventHandler eventhandler,TaskEventArgs args)
{
// TaskEventHandler[] tpcs = (TaskEventHandler[])eventhandler.GetInvocationList();
Delegate[] tpcs = eventhandler.GetInvocationList();
foreach(TaskEventHandler tpc in tpcs)
{
if ( tpc.Target is System.Windows.Forms.Control )
{
Control targetForm = tpc.Target as System.Windows.Forms.Control;
targetForm.BeginInvoke( tpc,new object[] { this, args } );
}
else
{
tpc.BeginInvoke(this, args ,null,null); //�첽����,�����
}
}
}
//��UI�߳�,�������״̬��Ϣ�Ͱ�ť״̬
private void OnTaskStatusChanged( object sender, TaskEventArgs e )
{
string msg =string.Empty;
switch ( e.Status )
{
case TaskStatus.Running:
button_start.Enabled = false;
button_abort.Enabled = true;
button_fireerror.Enabled = true;
button_stop.Enabled = true;
break;
case TaskStatus.CancelPending:
button_start.Enabled = false;
button_abort.Enabled = false;
button_fireerror.Enabled = false;
button_stop.Enabled = false;
break;
case TaskStatus.AbortPending:
button_start.Enabled = false;
button_abort.Enabled = false;
button_fireerror.Enabled = false;
button_stop.Enabled = false;
break;
case TaskStatus.Stopped:
button_start.Enabled = true;
button_abort.Enabled = false;
button_fireerror.Enabled = false;
button_stop.Enabled = false;
label_progress.Text =string.Empty;
progressBar.Value =0;
break;
case TaskStatus.ThrowErrorStoped:
button_start.Enabled = true;
button_abort.Enabled = false;
button_fireerror.Enabled = false;
button_stop.Enabled = false;
label_progress.Text =string.Empty;
progressBar.Value =0;
msg =_Task.Exception!=null?_Task.Exception.Message:"";
break;
case TaskStatus.Aborted:
button_start.Enabled = true;
button_abort.Enabled = false;
button_fireerror.Enabled = false;
button_stop.Enabled = false;
label_progress.Text =string.Empty;
progressBar.Value =0;
msg ="��������ǿ����ֹ.";
break;
}
if (_Task.WordThread !=null)
label_status.Text = string.Format("����״̬:{0},�߳�����:{1},�̱߳��:{2},�߳�״̬:{3},���н��:{4},������Ϣ:{5}.",e.Status,_Task.WordThread.Name,_Task.WordThread.GetHashCode(),_Task.WordThread.ThreadState,e.Result!=null ? e.Result.ToString():"null",msg);
else
label_status.Text = string.Format("����״̬:{0},���н��:{1},�����߳�����ΪNULL,������Ϣ:{2}.",e.Status,e.Result!=null ? e.Result.ToString():"null",msg);
}
//��UI�߳�,������������
private void OnTaskProgressChanged2( object sender,TaskEventArgs e )
{
label_progress.Text = string.Format("����[{0}%],���:{1}.",e.Progress.ToString(),e.Result!=null?e.Result.ToString():"null");
}
//��UI�߳�,������½�����
private void OnTaskProgressChanged1( object sender,TaskEventArgs e )
{
if (InvokeRequired ) //����UI�߳���,�첽����
{
TaskEventHandler TPChanged1 = new TaskEventHandler( OnTaskProgressChanged1 );
this.BeginInvoke(TPChanged1,new object[] {sender,e});
Console.WriteLine("InvokeRequired=true");
}
else
{
progressBar.Value = e.Progress;
}
}
