void editor_CommandExecuting(object sender, Telerik.Windows.Documents.RichTextBoxCommands.CommandExecutingEventArgs e)
        {
            if (e.Command is InsertFieldCommand && e.CommandParameter is MergeField)
            {
                string fieldName = (e.CommandParameter as MergeField).PropertyPath;

                if ((e.CommandParameter as MergeField).PropertyPath.ToUpper() == "RECIPIENTPHOTO")
                {
                    e.Cancel = true;

                    MergeField mf = new MergeField();
                    mf.PropertyPath = fieldName;
                    IncludePictureField picField = new IncludePictureField();
                    picField.SetPropertyValue(IncludePictureField.ImageUriProperty, mf);
                    this.editor.InsertField(picField);
                }
            }
        }
        void editor_CommandExecuting(object sender, Telerik.Windows.Documents.RichTextBoxCommands.CommandExecutingEventArgs e)
        {
            if (e.Command is InsertFieldCommand && e.CommandParameter is MergeField)
            {
                string fieldName = (e.CommandParameter as MergeField).PropertyPath;

                if ((e.CommandParameter as MergeField).PropertyPath.ToUpper() == "RECIPIENTPHOTO")
                {
                    e.Cancel = true;

                    MergeField mf = new MergeField();
                    mf.PropertyPath = fieldName;
                    IncludePictureField picField = new IncludePictureField();
                    picField.SetPropertyValue(IncludePictureField.ImageUriProperty, mf);
                    this.editor.InsertField(picField);
                }
            }
        }
 private void InsertPictureField_Click(object sender, RoutedEventArgs e)
 {
     MergeField mergeField = new MergeField();
     mergeField.PropertyPath = "RecipientPhoto";
     IncludePictureField pictureField = new IncludePictureField();
     pictureField.SetPropertyValue(IncludePictureField.ImageUriProperty, mergeField);
     this.radRichTextBox.InsertField(pictureField);
 }