static void Main()
{
// get application GUID as defined in AssemblyInfo.cs
string appGuid = ((GuidAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(GuidAttribute), false).GetValue(0)).Value.ToString();
// unique id for global mutex - Global prefix means it is global to the machine
string mutexId = string.Format("Global\\{{{0}}}", appGuid);
using (var mutex = new Mutex(false, mutexId))
{
try
{
if (!mutex.WaitOne(0, false))
{
//signal existing app via named pipes
NamedPipe <string> .Send(NamedPipe <string> .NameTypes.PipeType1, "test");
Environment.Exit(0);
}
else
{
// handle protocol with this instance
Application.Run(new Form1());
}
}
finally
{
mutex.ReleaseMutex();
}
}
}
public Form1()
{
InitializeComponent();
// start listening for named pipe connections
var namedPipeString = new NamedPipe <string>(NamedPipe <string> .NameTypes.PipeType1);
namedPipeString.OnRequest += new NamedPipe <string> .Request(namedPipeString_OnRequest);
namedPipeString.Start();
}