
        private void OpenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "*.txt|*.txt";
            openFileDialog1.Title = "Select File Name For Open";
            openFileDialog1.FileName = fileName;
            openFileDialog1.ShowDialog();
            fileName = openFileDialog1.FileName;
            RichTextBox1.LoadFile(fileName);
            this.Text = "Notes-" + fileName;
        }
