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    <p>You can use this Emoticons function below:</p> <pre><code> #region add emotion to RichTextBox function private Dictionary&lt;string, string&gt; _mappings = new Dictionary&lt;string, string&gt;(); private string GetEmoticonText(string text) { string match = string.Empty; int lowestPosition = text.Length; foreach (KeyValuePair&lt;string, string&gt; pair in _mappings) { if (text.Contains(pair.Key)) { int newPosition = text.IndexOf(pair.Key); if (newPosition &lt; lowestPosition) { match = pair.Key; lowestPosition = newPosition; } } } return match; } // And also function which add smiles in richtextbox, here is it: private void Emoticons(string msg,Paragraph para ) { //try //{ // Paragraph para = new Paragraph { LineHeight = 1 }; Run r = new Run(msg); para.Inlines.Add(r); string emoticonText = GetEmoticonText(r.Text); //if paragraph does not contains smile only add plain text to richtextbox rtb2 if (string.IsNullOrEmpty(emoticonText)) { rtbConversation.Document.Blocks.Add(para); } else { while (!string.IsNullOrEmpty(emoticonText)) { TextPointer tp = r.ContentStart; // keep moving the cursor until we find the emoticon text while (!tp.GetTextInRun(LogicalDirection.Forward).StartsWith(emoticonText)) tp = tp.GetNextInsertionPosition(LogicalDirection.Forward); // select all of the emoticon text var tr = new TextRange(tp, tp.GetPositionAtOffset(emoticonText.Length)) { Text = string.Empty }; //relative path to image smile file string path = _mappings[emoticonText]; Image image = new Image { Source = new BitmapImage(new System.Uri(Environment.CurrentDirectory+path, UriKind.RelativeOrAbsolute)), Width = Height = 25, }; //insert smile new InlineUIContainer(image, tp); if (para != null) { var endRun = para.Inlines.LastInline as Run; if (endRun == null) { break; } else { emoticonText = GetEmoticonText(endRun.Text); } } } rtbConversation.Document.Blocks.Add(para); } } // /// private void Window_Loaded(object sender, RoutedEventArgs e) { _mappings.Add(@"s-]", "/Images/smiley/silly.png"); _mappings.Add(@":-|", "/Images/smiley/angry.png"); } //Call function to use private void SendMessage(object sender,RoutedEventArgs e) { Paragraph paragraph = new Paragraph(); paragraph.LineHeight = 1; Run name = new Run(); name.Text =rtbMessage.Text+ " : "; name.Foreground = new SolidColorBrush(Colors.Red); paragraph.Inlines.Add(new Bold(name)); //paragraph.Inlines.Add(new Run(name.text)); rtbConversation.Document.Blocks.Add(paragraph); Emoticons(name.Text, paragraph); rtbConversation.ScrollToEnd(); } </code></pre>
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    1. POhow to add emoticons(smileys) into WPF richtext box
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    1. USppp
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    1. POhow to add emoticons(smileys) into WPF richtext box
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    1. COthanks for the help.I have resolved this already last year with code similar to this one. This is a good solution. Thanks ppp!
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      1. USLahiru Ruhunage
 

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