WPF RichTextBox - Formatting of typed text

WPF RichTextBox - Formatting of typed text

By : Matt
Date : November 22 2020, 07:01 PM
this will help Isn't that the standard behavior? If I highlight text in Word, make it bold, move the cursor next to that text and type, the new text becomes bold too. I'd imagine that MS made the rich text box work similarly to the text area in Word.
If you're selecting a token based on matching some criteria, like for syntax highlighting, could you try applying the style to the text after the cursor is 1 character away from the token? For example:
code :

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Formatting text in RichtextBox WPF

Formatting text in RichtextBox WPF

By : Ryan
Date : March 29 2020, 07:55 AM
like below fixes the issue My solution:
Simple solution is create Table object and add to blocks of richtextbox, somothing like this:
code :
        var tab = new Table();

        var gridLenghtConvertor = new GridLengthConverter();

        tab.Columns.Add(new TableColumn() { Name = "colNick", Width = (GridLength)gridLenghtConvertor.ConvertFromString("*") });
        tab.Columns.Add(new TableColumn { Name = "colMsg", Width = (GridLength)gridLenghtConvertor.ConvertFromString("5*") });
        tab.Columns.Add(new TableColumn() { Name = "colDt", Width = (GridLength)gridLenghtConvertor.ConvertFromString("*") });

        tab.RowGroups.Add(new TableRowGroup());
        tab.RowGroups[0].Rows.Add(new TableRow());

        var tabRow = tab.RowGroups[0].Rows[0];

        tabRow.Cells.Add(new TableCell(new Paragraph(new Run(rpMsg.Nick))) { TextAlignment = TextAlignment.Left });

        tabRow.Cells.Add(new TableCell(ConvertToRpWithEmoticons(rpMsg.RpText)));

        tabRow.Cells.Add(new TableCell(new Paragraph(new Run("Cas"))) { TextAlignment = TextAlignment.Right });

Replace RichTextBox Text but keep formatting

Replace RichTextBox Text but keep formatting

By : user2632306
Date : March 29 2020, 07:55 AM
hop of those help? Its working, this is how I did it in the end, not too pretty but it functions. WPF RTB really should have rtf property like winforms...
to Kent for putting me on the right track.
code :
            var textRange = new TextRange(rtb_wording.Document.ContentStart, rtb_wording.Document.ContentEnd);
            string rtf;
            using (var memoryStream = new MemoryStream())
                textRange.Save(memoryStream, DataFormats.Rtf);
                rtf = ASCIIEncoding.Default.GetString(memoryStream.ToArray());

            rtf = rtf.Replace("<our_name>", "Bob Cratchet");

            MemoryStream stream = new MemoryStream(ASCIIEncoding.Default.GetBytes(rtf));
            rtb_wording.Selection.Load(stream, DataFormats.Rtf);
Copying text along with its formatting from a RichTextBox

Copying text along with its formatting from a RichTextBox

By : user2702157
Date : March 29 2020, 07:55 AM
around this issue Just like with copying plain text, you would use the Clipboard.SetText method. This clears the current contents of the Windows clipboard and adds the specified text to it.
To copy formatted text, you need to use the overload of that method that accepts a TextDataFormat parameter. That allows you to specify the format of the text that you wish to copy to the clipboard. In this case, you would specify TextDataFormat.Rtf, or text consisting of rich text format data.
code :
' Get the text from your rich text box
Dim textContents As String = myRichTextBox.Rtf

' Copy the text to the clipboard
Clipboard.SetText(textContents, TextDataFormat.Rtf)
' Verify that the clipboard contains text
If (Clipboard.ContainsText(TextDataFormat.Rtf)) Then
    ' Paste the text contained on the clipboard into a DIFFERENT RichTextBox
    myOtherRichTextBox.Rtf = Clipboard.GetText(TextDataFormat.Rtf)
End If
C# WPF RichTextBox restrict text formatting to visible text

C# WPF RichTextBox restrict text formatting to visible text

By : tjuhenryli
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further The best performance increase I found was to update the document when out wasn't displayed on the screen. Not sure sure why this is but I can guess that some thing in the screen buffer isn't being updated.
apply text formatting from string to text for FlowDocument in richtextbox

apply text formatting from string to text for FlowDocument in richtextbox

By : Aquacruelty
Date : March 29 2020, 07:55 AM
I wish this helpful for you To answer my own question: My case was creating a Document style display for user to update and save as a PDF, but I didn't want to rely on Office being on our application Server.
So I resolved this in my case by using a full "doc.RTF" document and importing that as a memory stream/string and apply my needed updates for values to that.
code :
Using uStream = Assembly.GetExecutingAssembly.GetManifestResourceStream("Resourcefilepath.rtf") 
    Using mStream As system.IO.MemoeryStream = New MemoryStream()
        rtfstring = Encoding.UTF8.GetSTring(mStream.toArray())
        '--Do the updates to the needed string as needed:
        '--Load Property Memory String this method is returnind  
        RTFDataProperty = New MemoryStream(Encoding.UTF8.GetBytes(rtfstring))
    End Using
End Using
RichTextBox1.Selection.Load(ClassName.RTFDataProperty, DataFormats.Rtf)
'--Get my RichTextBox Text
rtbtext As String = New TextRange(RichTextBox1.Document.contentStart, RichTextbox1.Document.ContentEnd).Text
Dim strStartSelection As String = "Comments..."
Dim startTP As TextPointer
Dim endTP As TextPointer

'--Loop through the paragraphs of the richtextbox for my needed selection starting point:
For Each para As Paragraph In RichTextBox1.Document.Blocks
    Dim paraText As String = New TextRange(para.ContentStart, para.ContentEnd).Text
    If paraText = "" Then
        Dim pos As TextPointer = para.ContentStart
        startTP = pos
        endTP = startTP.GetPositionAtOffset("".Length + 3) '--my string had ... on the end so had to add for avoiding the escape of that on length
        RichTextBox1.Selection.Select(startTP, endTP)
        Exit For
    End If
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