/// <summary>
/// 回调方法
/// </summary>
private static void Callback(IAsyncResult ar)
{
try
{
if (Cancelled)
{
return;
} //若任务取消就不必EndInvoke了
MethodInfo endInvoke = ar.AsyncState.GetType().GetMethod("EndInvoke");
object[] parmsEndInvoke = new object[endInvoke.GetParameters().Length];
if (parmsEndInvoke.Length != 1)//若方法存在ref或out参数，赋值给endInvoke参数
{
int i = 0;
foreach (ParameterInfo p in _prmsMethod)
{
if (p.ParameterType.IsByRef)
{
parmsEndInvoke[i++] = _prmsInput[p.Position];
}
}
}
parmsEndInvoke[parmsEndInvoke.Length - 1] = ar;
_result = endInvoke.Invoke(ar.AsyncState, parmsEndInvoke);
if (parmsEndInvoke.Length != 1)//从endInvoke参数取出值返给输入参数
{
int i = 0;
foreach (ParameterInfo p in _prmsMethod)
{
if (p.ParameterType.IsByRef)
{
_prmsInput[p.Position] = parmsEndInvoke[i++];
}
}
}
}
catch (TargetInvocationException ex)
{
_exception = ex.InnerException;
}
catch (Exception ex)
{
_exception = ex;
}
finally
{
_isCompleted = true;
Thread.Sleep(300);//既然wf已显示，就让它正常显示一下，避免快闪
Post(arg => { if (_waitForm != null)
{
_waitForm.Close();
}
}, (object)null);
}
}
protected override void OnRunWorkerCompleted(RunWorkerCompletedEventArgs e)
{
_waitForm.Close();
base.OnRunWorkerCompleted(e);
}
