public ExecuteAsyncResult(InvokeMethodInstanceData instance, AsyncWaitCallbackMethodExecutor executor, AsyncCallback callback, object state)
: base(callback, state)
{
this.instance = instance;
this.executor = executor;
ActionItem.Schedule(asyncExecute, this);
}
protected override void EndMakeMethodCall(AsyncCodeActivityContext context, IAsyncResult result)
{
InvokeMethodInstanceData instance = (InvokeMethodInstanceData)context.UserState;
instance.ReturnValue = InvokeAndUnwrapExceptions(this.endFunc, instance.TargetObject, new object[] { result });
this.SetOutArgumentAndReturnValue(context, instance.ReturnValue, instance.ActualParameters);
}
protected override IAsyncResult BeginMakeMethodCall(AsyncCodeActivityContext context, object target, AsyncCallback callback, object state)
{
InvokeMethodInstanceData instance = new InvokeMethodInstanceData
{
TargetObject = target,
ActualParameters = EvaluateAndPackParameters(context, this.asyncMethod, false),
};
return(new ExecuteAsyncResult(instance, this, callback, state));
}
protected override void EndMakeMethodCall(AsyncCodeActivityContext context, IAsyncResult result)
{
InvokeMethodInstanceData instance = ExecuteAsyncResult.End(result);
if (instance.ExceptionWasThrown)
{
throw FxTrace.Exception.AsError(instance.Exception);
}
else
{
this.SetOutArgumentAndReturnValue(context, instance.ReturnValue, instance.ActualParameters);
}
}
protected override IAsyncResult BeginMakeMethodCall(AsyncCodeActivityContext context, object target, AsyncCallback callback, object state)
{
InvokeMethodInstanceData instance = new InvokeMethodInstanceData
{
TargetObject = target,
ActualParameters = EvaluateAndPackParameters(context, this.beginMethod, true),
};
int count = instance.ActualParameters.Length;
instance.ActualParameters[count - 2] = callback;
instance.ActualParameters[count - 1] = state;
context.UserState = instance;
return((IAsyncResult)this.InvokeAndUnwrapExceptions(this.beginFunc, target, instance.ActualParameters));
}
public ExecuteAsyncResult(InvokeMethodInstanceData instance, AsyncWaitCallbackMethodExecutor executor, AsyncCallback callback, object state)
: base(callback, state)
{
this.instance = instance;
this.executor = executor;
ActionItem.Schedule(asyncExecute, this);
}
protected override IAsyncResult BeginMakeMethodCall(AsyncCodeActivityContext context, object target, AsyncCallback callback, object state)
{
InvokeMethodInstanceData instance = new InvokeMethodInstanceData
{
TargetObject = target,
ActualParameters = EvaluateAndPackParameters(context, this.asyncMethod, false),
};
return new ExecuteAsyncResult(instance, this, callback, state);
}
protected override IAsyncResult BeginMakeMethodCall(AsyncCodeActivityContext context, object target, AsyncCallback callback, object state)
{
InvokeMethodInstanceData instance = new InvokeMethodInstanceData
{
TargetObject = target,
ActualParameters = EvaluateAndPackParameters(context, this.beginMethod, true),
};
int count = instance.ActualParameters.Length;
instance.ActualParameters[count - 2] = callback;
instance.ActualParameters[count - 1] = state;
context.UserState = instance;
return (IAsyncResult)this.InvokeAndUnwrapExceptions(this.beginFunc, target, instance.ActualParameters);
}
