ApProg.UserInterface.Shell.MainWindow.AskUserForFileName C# (CSharp) Method

        public string AskUserForFileName(bool open)
        {
            if(open)
            {
                var dialog = new OpenFileDialog {DefaultExt = ".hex", Filter = "Hex Files (.hex)|*.hex"};
                if(dialog.ShowDialog() == true)
                {
                    return dialog.FileName;
                }
            }
            else
            {
                var dialog = new SaveFileDialog { DefaultExt = ".hex", Filter = "Hex Files (.hex)|*.hex" };
                if (dialog.ShowDialog() == true)
                {
                    return dialog.FileName;
                }
            }
            return null;
        }