private void button4_Click(object sender, EventArgs e) //save source file { SaveFileDialog saveFile = new SaveFileDialog(); saveFile.Filter = "All files (*.*)|*.*"; saveFile.RestoreDirectory = true; saveFile.ShowDialog(); if (saveFile.FileName != "") { using (FileStream fstream = new FileStream(saveFile.FileName, FileMode.OpenOrCreate)) //@"C:\SomeDir\noname\note.txt" { ConvertToBase64 converter = new ConvertToBase64(); fstream.Write(converter.Decode(textBox4.Text), 0, converter.Decode(textBox4.Text).Length); } } }
private void button2_Click(object sender, EventArgs e) { ConvertToBase64 converter = new ConvertToBase64(); textBox2.Text = converter.EncodeString(textBox1.Text); textBox3.Text = converter.Decode(textBox2.Text).ToString(); }