Themes

Updated on Jan 8, 2026

This help article will demonstrate a step by step tutorial how to customize the ControlDefault theme for RadTextBox

1. Open Visual Style Builder

2. Export the built-in themes in a specific folder by selecting File >> Export Built-in Themes.

3. Load a desired theme from the just exported files by selecting File >> Open Package.

4. Expand RadTextBox and select the TextBoxFill. Make sure that the Disabled state is selected in the `Element States' window.

5. Open the Edit Repository Item dialog and change the BackColor:

6. Select RadTextBoxElement and change the BackColor, then save the theme. (you can press Ctrl+H to open the Spy and disable the text box to see the results):

The following article shows how you can use the new theme: Using Custom Themes.

See Also

• Customizing Appearance