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();
}