//Method for completion callback
private void VerifyTiles_OnComplete(IAsyncResult res)
{
bool result;
VerifyDelg verifyDelg;
AsyncResult asyncObj = (AsyncResult)res;
//makes sure end invoke isn't called more than once
if (asyncObj.EndInvokeCalled == false)
{
verifyDelg = (VerifyDelg)asyncObj.AsyncDelegate;
//gets the result of the call
result = verifyDelg.EndInvoke(asyncObj);
//prints result to console in biz server
if (result == true)
{
Console.WriteLine("Success");
}
else if (result == false)
{
Console.WriteLine("Failure");
}
//to do the remote callback for the client
ITMBizControllerCallback cb = (ITMBizControllerCallback)asyncObj.AsyncState;
cb.OnVerificationComplete(result);
}
asyncObj.AsyncWaitHandle.Close();
}
public void VerifyTilesAsync()
{
VerifyTileDelg Delg;
AsyncCallback callbackdelg;
Delg = this.VerifyTiles;
callbackdelg = this.CallbackFunc;
ITMBizControllerCallback cb = OperationContext.Current.GetCallbackChannel <ITMBizControllerCallback>();
Delg.BeginInvoke(callbackdelg, cb);
}
//Async call method
public void VerifyTilesAsync()
{
VerifyDelg verifyDelg;
verifyDelg = this.VerifyTiles;
AsyncCallback cbDelg;
cbDelg = this.VerifyTiles_OnComplete;
ITMBizControllerCallback cb = OperationContext.Current.GetCallbackChannel <ITMBizControllerCallback>();
verifyDelg.BeginInvoke(cbDelg, cb);
}
private void CallbackFunc(IAsyncResult result)
{
bool VerifyResult;
VerifyTileDelg Delg;
AsyncResult asyncobject = (AsyncResult)result;
if (asyncobject.EndInvokeCalled == false)
{
Delg = (VerifyTileDelg)asyncobject.AsyncDelegate;
VerifyResult = Delg.EndInvoke(asyncobject);
if (VerifyResult)
{
Console.WriteLine("Sucess");
}
else
{
Console.WriteLine("fail");
}
ITMBizControllerCallback cb = (ITMBizControllerCallback)asyncobject.AsyncState;
cb.OnVerificationComplete(VerifyResult);
}
asyncobject.AsyncWaitHandle.Close();
}
/// <summary>
/// VerifyTiles_OnComplete
/// Callback funtion for Delgate
/// gets the result from the call and sends it to the Client
/// </summary>
/// <param name="res"></param>
public void VerifyTiles_OnComplete(IAsyncResult res)
{
bool iResult = false; // result of verification
VerifyOperation del; // delegate function reference
ITMBizControllerCallback ob = null; // remote client object reference
AsyncResult asyncObj = (AsyncResult)res; // result from async function
try
{
if (asyncObj.EndInvokeCalled == false) // if EndInvoke() has not been called
{
del = (VerifyOperation)asyncObj.AsyncDelegate; // gain access to delegate
ob = (ITMBizControllerCallback)asyncObj.AsyncState; // get remote client obj reference
iResult = del.EndInvoke(asyncObj); // retrieve result
}
asyncObj.AsyncWaitHandle.Close();
Console.WriteLine("Verification Complete.\n");
ob.OnVerificationComplete(iResult); // send result to client
}
catch (CommunicationException e)
{
Console.WriteLine("\nError: Sending Tile Verification to Client\n" + e.Message);
}
}
