static void Main(string[] args)
{
// We're a single instance application!
// http://stackoverflow.com/questions/229565/what-is-a-good-pattern-for-using-a-global-mutex-in-c/229567
string appGuid = ((GuidAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(
typeof(GuidAttribute), false).GetValue(0)).Value.ToString();
// Global prefix means that the mutex is global to the machine
string mutexId = string.Format("Global\\{{{0}}}", appGuid);
bool createdNew;
var allowEveryoneRule = new MutexAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null),
MutexRights.FullControl, AccessControlType.Allow);
var securitySettings = new MutexSecurity();
securitySettings.AddAccessRule(allowEveryoneRule);
using (var mutex = new Mutex(false, mutexId, out createdNew, securitySettings))
{
var hasHandle = false;
try
{
try
{
hasHandle = mutex.WaitOne(8000, false);
if (hasHandle == false)
{
throw new TimeoutException("Timeout waiting for exclusive access");
}
}
catch (AbandonedMutexException)
{
hasHandle = true;
}
catch (TimeoutException)
{
return;
}
// Proceed to client startup
PreStartup.Initialize(args);
}
finally
{
if (hasHandle)
{
mutex.ReleaseMutex();
}
}
}
}
static void Main(string[] args)
{
bool noAudio = false;
bool multipleInstanceMode = false;
List <string> unknownStartupParams = new List <string>();
for (int arg = 0; arg < args.Length; arg++)
{
string argument = args[arg].ToUpper();
switch (argument)
{
case "-NOAUDIO":
// TODO fix
throw new NotImplementedException("-NOAUDIO is currently not implemented, please run the client without it.");
case "-MULTIPLEINSTANCE":
multipleInstanceMode = true;
break;
default:
unknownStartupParams.Add(argument);
break;
}
}
StartupParams parameters = new StartupParams(noAudio, multipleInstanceMode, unknownStartupParams);
if (multipleInstanceMode)
{
// Proceed to client startup
PreStartup.Initialize(parameters);
return;
}
// We're a single instance application!
// http://stackoverflow.com/questions/229565/what-is-a-good-pattern-for-using-a-global-mutex-in-c/229567
string appGuid = ((GuidAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(
typeof(GuidAttribute), false).GetValue(0)).Value.ToString();
// Global prefix means that the mutex is global to the machine
string mutexId = string.Format("Global\\{{{0}}}", appGuid);
var allowEveryoneRule = new MutexAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null),
MutexRights.FullControl, AccessControlType.Allow);
var securitySettings = new MutexSecurity();
securitySettings.AddAccessRule(allowEveryoneRule);
using (var mutex = new Mutex(false, mutexId, out bool createdNew, securitySettings))
{
var hasHandle = false;
try
{
try
{
hasHandle = mutex.WaitOne(8000, false);
if (hasHandle == false)
{
throw new TimeoutException("Timeout waiting for exclusive access");
}
}
catch (AbandonedMutexException)
{
hasHandle = true;
}
catch (TimeoutException)
{
return;
}
// Proceed to client startup
PreStartup.Initialize(parameters);
}
finally
{
if (hasHandle)
{
mutex.ReleaseMutex();
}
}
}
}
