---

private void saveToolStripMenuItem_Click(object sender, EventArgs e)
{
    SaveFileDialog saveFileDialog = new SaveFileDialog();

    if (saveFileDialog.ShowDialog() == DialogResult.OK)
    {
        string filePath = saveFileDialog.FileName;
        string textToSave = textBox.Text;
        File.WriteAllText(filePath, textToSave);
        MessageBox.Show("Файл сохранен");
    }
}

private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
    Application.Exit();
}

private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
{
    SaveFileDialog saveFileDialog = new SaveFileDialog();
    saveFileDialog.Filter = "Текстовые файлы (*.txt) |*.txt| Все файлы(*.*)|*.*";
    saveFileDialog.DefaultExt = "txt";
    if (saveFileDialog.ShowDialog() == DialogResult.OK)
    {
        string path = saveFileDialog.FileName;
        File.WriteAllText(path, textBox.Text);
        currentFilePath = path;
    }
}