public static bool MessageHandler(ref Message m)
{
if (m.Msg == WM_ENDSESSION || (m.Msg == WM_QUERYENDSESSION && ShutdownInitiated))
{
m.Result = new IntPtr(ENDSESSION_CLOSEAPP);
return(true);
}
else if (m.Msg == WM_QUERYENDSESSION)
{
//system getting ready to shut down
//individual *forms* receive this message, so we must protect against a race condition
using (var shutdownMutex = new ScopedMutex(_appName + "{EA433526-9724-43FD-B175-6EA7BA7517A4}"))
{
if (ShutdownInitiated)
{
m.Result = new IntPtr(ENDSESSION_CLOSEAPP);
return(true);
}
ShutdownInitiated = true;
var recoveryMan = new RecoveryManager();
recoveryMan.CreateRecoveryData(recoveryMan.UnsafeShutdownPath);
ShutdownDumpComplete.Set();
m.Result = new IntPtr(ENDSESSION_CLOSEAPP);
return(true);
}
}
return(false);
}
public void Save()
{
if (File.Exists(_path))
{
File.Delete(_path);
}
if (!Directory.Exists(Path.GetDirectoryName(_path)))
{
Directory.CreateDirectory(Path.GetDirectoryName(_path));
}
var serializer = new DataContractJsonSerializer(typeof(Preferences));
using (var mutex = new ScopedMutex("{F995FD2B-04EC-4410-AB57-9B4E6FF4B2B2}"))
using (var fstream = new FileStream(_path, FileMode.Create))
{
mutex.WaitOne();
serializer.WriteObject(fstream, this);
}
}