// Calculate button event handler
private void buttonCalculate_Click(object sender, EventArgs e)
{
// Connect to server if not already
if (remoteObject == null)
{
// Opening channel
TcpChannel channel = new TcpChannel();
// Registering channel
ChannelServices.RegisterChannel(channel, true);
// Building connection string
string connectionString = string.Format(connectFormatString, defaultPort, defaultClassName);
// Getting reference for instance of library
remoteObject = (Lib)Activator.GetObject(typeof(Lib), connectionString);
}
double argument = 0.0;
double result = 0.0;
// Trying to parse number in text field, if not success then display error
if (!double.TryParse(textBoxArgument.Text, out argument))
{
MessageBox.Show("Enter DOUBLE number in correct format. \nWARNING: separator in ',' symbol", "Error");
return;
}
else
{
// Call server object for cos calculating
result = remoteObject.Calculate(argument);
// Display answer
labelAnswer.Text = string.Format("Answer: {0}", result);
}
}
private void buttonCalculate_Click(object sender, EventArgs e)
{
if (remoteObject == null)
{
// Opening channel
TcpChannel channel = new TcpChannel();
// Registering channel
ChannelServices.RegisterChannel(channel, true);
// Getting reference for instance of library
remoteObject = (Lib)Activator.GetObject(typeof(Lib), "tcp://localhost:11114/equ");
}
string result;
double a = 0;
double b = 0;
double c = 0;
bool parsingOk = double.TryParse(textBox0.Text, out a);
parsingOk &= double.TryParse(textBox1.Text, out b);
parsingOk &= double.TryParse(textBox2.Text, out c);
if (parsingOk == false)
{
MessageBox.Show("One or more args in wrong format. Check flields. Separator ','", "Error", MessageBoxButtons.OK);
return;
}
result = remoteObject.Calculate(a, b, c);
labelAnswer.Text = result;
}