RichTextBox: Document Content Contains Extra Non-Visible Line Break

Question

I have a RichTextBox that needs to accept returns. When I read its document content, it seems to be adding an extra line break. For example, the following code:

    TextRange rtbText = new TextRange(rtBox.Document.ContentStart, rtBox.Document.ContentEnd);
    Console.WriteLine(Char.ConvertFromUtf32(34) + rtbText.Text + Char.ConvertFromUtf32(34));

will output

    "test
    "

even though the visible rtBox content on screen is simply test on a single line. I expect the output to be:

    "test"

EDIT: I am just using the rtbText.Text for debugging purposes. The actual usage of that rtbText TextRange object will be to save to a MemoryStream using rtbText.Save(ms, DataFormats.Rtf)

Can someone please assist with removing this extra line break. Thanks

Answer 1

只需使用Trim（）或什至更好的TrimEnd（）即可解决问题

Console.WriteLine(Char.ConvertFromUtf32(34) + rtbText.Text.TrimEnd( '\r', '\n' ) + Char.ConvertFromUtf32(34));