private void OnBrowse()
        {
            OpenFileDialog ofd = new OpenFileDialog()
            {
                Filter = "Launch Configurations (*.json)|*.json|All Files (*.*)|(*.*)"
            };

            if (ofd.ShowDialog() == true)
            {
                LaunchConfiguration          config   = this.model.CreateUserLaunchConfiguration(ofd.FileName);
                LaunchConfigurationViewModel configVM = new LaunchConfigurationViewModel(this, config);

                this.LaunchConfigs.Add(configVM);

                this.SelectedConfig = configVM;
            }
        }
        internal void DeleteConfig(LaunchConfigurationViewModel config)
        {
            this.LaunchConfigs.Remove(config);

            this.model.RemoveUserLaunchConfiguration(config.FullPath);
        }