private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
fastColoredTextBox1.Text = File.ReadAllText(dlg.FileName);
this.Text = "Editor - " + new FileInfo(dlg.FileName).Name;
FileName = new FileInfo(dlg.FileName).Name;
// MdiParent.LayoutMdi(MdiLayout.Cascade);
}
}