private static bool EnsureSingleInstance()
{
string appProcessName = Path.GetFileNameWithoutExtension(Application.ExecutablePath);
Process[] RunningProcesses = Process.GetProcessesByName(appProcessName);
// IPC: https://gorillacoding.wordpress.com/2013/02/03/using-wcf-for-inter-process-communication/
const string address = "net.pipe://localhost/SteamShutdown/ShowBalloonTip";
NetNamedPipeBinding binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None);
if (RunningProcesses.Length == 1)
{
// Only running process. This process is the server of IPC
ServiceHost serviceHost = new ServiceHost(typeof(IPCBubbleServer));
serviceHost.AddServiceEndpoint(typeof(IBubbleContract), binding, address);
serviceHost.Open();
return(true);
}
else
{
// Already running. This process is the client of IPC
EndpointAddress ep = new EndpointAddress(address);
IBubbleContract channel = ChannelFactory <IBubbleContract> .CreateChannel(binding, ep);
channel.ShowAnInstanceIsRunning();
return(false);
}
}
public static void ShowAnInstanceIsRunning()
{
NetNamedPipeBinding binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None);
EndpointAddress ep = new EndpointAddress(address);
IBubbleContract channel = ChannelFactory <IBubbleContract> .CreateChannel(binding, ep);
channel.ShowAnInstanceIsRunning();
}
