void Open()
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files(*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
FileName = openFileDialog1.FileName;
TBI.Lines = File.ReadAllLines(FileName);
Changed = false;
TBI.ClearUndo();
}
}
private void отменаToolStripMenuItem_Click(object sender, EventArgs e)
{
TBI.Undo();
}
