/// <summary>
/// Background worker thread that does the service call
/// </summary>
/// <param name="sender">sender not used</param>
/// <param name="e">ServiceCommandAsync arguments</param>
private void bwMainDoWork(object sender, DoWorkEventArgs e)
{
ServiceCommandAsync serviceCommandAsync = (ServiceCommandAsync)e.Argument;
serviceCommandAsync.Result = InvokeServiceCommand(serviceCommandAsync.ServiceCommandData);
e.Result = serviceCommandAsync;
}
/// <summary>
/// Background worker completed
/// </summary>
/// <param name="sender">sender not used</param>
/// <param name="e">ServiceCommandAsync parameters containing the results and information required for the callback</param>
private void bwMainRunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
string response = "";
Action <string> callback = null;
string type = "";
if (e.Cancelled)
{
response = "Cancelled";
}
else if (e.Error != null)
{
ServiceCommandAsync serviceCommandAsyncResult = (ServiceCommandAsync)e.Result;
response = String.Format("<Error><Message>{0}</Message></Error>", e.Error.Message);
}
else
{
ServiceCommandAsync serviceCommandAsyncResult = (ServiceCommandAsync)e.Result;
response = serviceCommandAsyncResult.Result;
callback = serviceCommandAsyncResult.Callback;
type = serviceCommandAsyncResult.ServiceCommandData.Noun;
}
InvokeServiceReturn(response, type, callback);
}
/// <summary>
/// Invoke Services async
/// </summary>
/// <param name="serviceCommand">The Service Command</param>
/// <param name="callback">Method to callback to handle the sendtoclient message</param>
public void InvokeServiceAsync(ServiceCommand serviceCommand, Action <string> callback)
{
ServiceCommandAsync serviceCommandAsync = new ServiceCommandAsync();
serviceCommandAsync.ServiceCommandData = serviceCommand;
serviceCommandAsync.Callback = callback;
mBackgroundWorkerServiceCall = new BackgroundWorker();
mBackgroundWorkerServiceCall.WorkerSupportsCancellation = false;
mBackgroundWorkerServiceCall.DoWork += new DoWorkEventHandler(bwMainDoWork);
mBackgroundWorkerServiceCall.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bwMainRunWorkerCompleted);
mBackgroundWorkerServiceCall.RunWorkerAsync(serviceCommandAsync);
}