protected override Window CreateShell() { var name = Assembly.GetEntryAssembly()?.GetName().Name ?? string.Empty; if (Process.GetProcessesByName(name).Length > 1) { // var obj = Process.GetProcessesByName("ConvertTool").FirstOrDefault(); MessageUtility.ShowMessage("程序已启动"); return(null); } return(Container.Resolve <LoginMainView>()); }