I editted and saved a richtextbox contents that was loaded from a text file using the following codes but it does not work. Anyone can help me.
private
void btnSave_Click(object sender, EventArgs e)
{
rtbData.Enabled =
true;
rtbData.Update();
rtbData.SaveFile(
"c:/DDE_Log1.txt", RichTextBoxStreamType.PlainText);
}