private void CalculateResults()
{
CalculatorServiceClient proxy = null;
try
{
double value1 = Convert.ToDouble(textValue1.Text);
double value2 = Convert.ToDouble(textValue2.Text);
Debug.WriteLine("Calculating values");
string endpointName;
if (ComboBoxServiceConnection.SelectedIndex == 0)
endpointName = "CalculatorService";
else
endpointName = "RouterService";
proxy = new CalculatorServiceReference.CalculatorServiceClient(endpointName);
labelAddResult.Text = proxy.Add(value1, value2).ToString();
labelSubResult.Text = proxy.Subtract(value1, value2).ToString();
labelMultResult.Text = proxy.Multiply(value1, value2).ToString();
if (value2 != 0.00)
labelDivResult.Text = proxy.Divide(value1, value2).ToString();
else
labelDivResult.Text = "Divide by 0";
}
catch (FormatException)
{
MessageBox.Show("Invalid numeric value, cannot calculate", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (TimeoutException)
{
if (proxy != null)
proxy.Abort();
MessageBox.Show("Timeout - cannot connect to service", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (CommunicationException)
{
if (proxy != null)
proxy.Abort();
MessageBox.Show("Unable to communicate with the service", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
if (proxy != null)
proxy.Close();
}
}
