# Font Group

## Content



The **Font** group includes several options for customizing the font used in the [C1RichTextBox](/componentone/api/wpf/online-richtextbox/dotnet-api/C1.WPF.RichTextBox/C1.WPF.RichTextBox.C1RichTextBox.html) control. The **Font** group appears similar to the following image:

![](https://cdn.mescius.io/document-site-files/images/f14c4281-7088-4b33-9b40-4a5f7acf258d/working_with_c1richtextboxtoolbar_files/fontgroupnew.png)

The **Font** group includes the following options:

*   **Font**: The **Font** option is a drop-down list that allows you to choose the font that will be applied to text in the **C1RichTextBox** control. The default font is **Portable User Interface**.
    
    ![](https://cdn.mescius.io/document-site-files/images/f14c4281-7088-4b33-9b40-4a5f7acf258d/font_group_files/image002.png)
    
*   **Font Size**: The **Font Size** option is a drop-down list that allows you to choose the size of the font that will be applied to text in the **C1RichTextBox** control. The default font size is **9**.
*   **Grow Font**: Clicking the **Grow Font** button increases the size of the selected text.
*   **Shrink Font**: Clicking the **Shrink Font** button decreases the size of the selected text.
*   **Bold**: Clicking the **Bold** button bolds or removes bolding from the selected text. You can also use Ctrl+b shortcut key to bold the text.
*   **Italic**: Clicking the **Italic** button italicizes or removes italics from the selected text. You can also use Ctrl+i shortcut key to italicize the text.
*   **Underline**: Clicking the **Underline** button underlines or removes underlining from the selected text. You can also use Ctrl+u shortcut key to underline the text.
*   **Strikethrough** - Clicking the **Strikethrough** draws a line through text which indicates deletion of text in the document.
*   **Change Case**: The **Change Case** option is a drop-down list that lists options that will change the case of the selected text. Options include: **lowercase**, **UPPERCASE**, **Capitalize Each Word**, and **tOGGLE cASE** (which turns lowercase text into uppercase text and uppercase text into lowercase text).
    
    ![](https://cdn.mescius.io/document-site-files/images/f14c4281-7088-4b33-9b40-4a5f7acf258d/working_with_c1richtextboxtoolbar_files/casingnew.png)
    
*   **Superscript**: Clicking the **Superscript** button turns the selected text into superscript text (the text will appear placed higher vertically than text that is not superscript text).
*   **Subscript**: Clicking the **Subscript** button turns the selected text into subscript text (the text will appear placed lower vertically than text that is not superscript text).
*   **Font Color**: The **Font Color** option is a drop-down color picker that lists common colors that will change the color of the selected text.
    
    ![](https://cdn.mescius.io/document-site-files/images/f14c4281-7088-4b33-9b40-4a5f7acf258d/font_group_files/image004.png)
    
*   **Text Highlight Color**: The **Text Highlight Color** option is a drop-down color picker that lists common colors that will change the color of the background surrounding the selected text.