代码： 全选
//========richtextbox scroll to the last line
//get the focus fo the richtextbox
RecRichTextBox.Focus();
//move the focus to the last line
RecRichTextBox.Select(RecRichTextBox.TextLength, 0);
//scroll to the last line
RecRichTextBox.ScrollToCaret();
RecRichTextBox.AppendText(value);
}
}