private void Application_Startup(object sender, StartupEventArgs e)
{
// Get this Process
Process currProcess = Process.GetCurrentProcess();
// Get Count of All App Instances of Agent
var agentInstances = Process.GetProcesses().Where(p =>
p.ProcessName == currProcess.ProcessName &&
p.SessionId == currProcess.SessionId);
// For more than one instances
if (agentInstances.Count() > 1)
{
// Close Current App
App.Current.Shutdown();
// Bring existing one to front
WindowHelper.BringWindowToFront();
}
else
{
MainWindow mainWindow = new MainWindow();
mainWindow.Show();
}
}