private void button1_Click(object sender, EventArgs e)
{
// Set up Scope
QAConnectionManager.LaunchAppIfNotRunning(QAConnectionManager.Devices.QA100);
Scope = (QA100Interface)QAConnectionManager.ConnectTo(QAConnectionManager.Devices.QA100);
// Setup PowerSupply
QAConnectionManager.LaunchAppIfNotRunning(QAConnectionManager.Devices.QA300);
PowerSupply = (QA300Interface)QAConnectionManager.ConnectTo(QAConnectionManager.Devices.QA300);
}
/// <summary>
/// Connect to multiple devices. This is a bit trickier, because we can't use the default remoting connections becuase they
/// will both want to use the same port. So, we need to add extra code to permit assigning different ports
/// </summary>
/// <returns></returns>
private bool ConnectToQA100And300()
{
// First, we see if the QA100 application is already running. If there are zero instances of this
// process, then we can assume it isn't running
if (Process.GetProcessesByName("QAScope").Length == 0)
{
// Power supply application isn't running. Let the user know and then return false
MessageBox.Show("The QA100 application is not running. Please start that application before attempting to control it remotely.");
return(false);
}
// Next, we see if the QA300 application is already running. If there are zero instances of this
// process, then we can assume it isn't running
if (Process.GetProcessesByName("QA Power Supply").Length == 0)
{
// Power supply application isn't running. Let the user know and then return false
MessageBox.Show("The QA300 application is not running. Please start that application before attempting to control it remotely.");
return(false);
}
// Try to connect to both the scope and power supply. If either fails for any reason, then both will fail
try
{
// Scope first
TcpChannel tcpChannel = (TcpChannel)Helper.GetChannel(4301, false);
ChannelServices.RegisterChannel(tcpChannel, false);
Type requiredType = typeof(Com.QuantAsylum.QA100Interface);
Scope = (Com.QuantAsylum.QA100Interface)Activator.GetObject(requiredType, "tcp://localhost:9100/QuantAsylumQA100Server");
// Power supply next
tcpChannel = (TcpChannel)Helper.GetChannel(4300, false);
ChannelServices.RegisterChannel(tcpChannel, false);
requiredType = typeof(Com.QuantAsylum.QA300Interface);
PowerSupply = (Com.QuantAsylum.QA300Interface)Activator.GetObject(requiredType, "tcp://localhost:9300/QuantAsylumQA300Server");
}
catch (Exception ex)
{
Scope = null; PowerSupply = null;
return(false);
}
// If we get here, then everything worked: Both apps were running and we successfully connected to both
return(true);
}
