1         /// 
 2         /// behind add textbox 3         /// 
 4         private void AddTextToTextBox() 5         { 6             TextBlock tb = new TextBlock(); 7             tb.TextWrapping = TextWrapping.Wrap; 8             tb.Margin = new Thickness(10); 9             tb.Inlines.Add("An example on ");10             tb.Inlines.Add(new Run("the TextBlock control ") { FontWeight = FontWeights.Bold });11             tb.Inlines.Add("using ");12             tb.Inlines.Add(new Run("inline ") { FontStyle = FontStyles.Italic });13             tb.Inlines.Add(new Run("text formatting ") { Foreground = Brushes.Blue });14             tb.Inlines.Add("from ");15             tb.Inlines.Add(new Run("Code-Behind") { TextDecorations = TextDecorations.Underline });16             tb.Inlines.Add(".");17             this.sp_text.Children.Add(tb);18         }