using System.IO; using System.Windows.Forms; namespace ConfigEditor { public partial class MainForm: Form { public MainForm() { InitializeComponent(); } private void открытьToolStripMenuItem_Click(object sender, System.EventArgs e) { OpenFileDialog ofd = new OpenFileDialog() { Title = "Выберите файл конфигурации", Filter = "Файл *.json|*.json", Multiselect = false }; if (ofd.ShowDialog() == DialogResult.OK) richTextBox1.Text = File.ReadAllText(ofd.FileName); } private void закрытьToolStripMenuItem_Click(object sender, System.EventArgs e) { Application.Exit(); } } }