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This help article will demonstrate a step by step tutorial how to customize the ControlDefault theme for RadRadioButton and change the back color of the radio mark:

  1. Open VisualStyleBuilder: Start menu (Start >> Programs >> Telerik >> UI for WinForms [version] >> Tools).

  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. Select RadRadioButtonElement in Controls Structure on the left side. Then, select RadRaiomark in the Elements section.

    WinForms RadRadioButtonElement VisualStyleBuilder RadRiomark

  5. Modify the applied fill repository item.

    WinForms RadRadioButtonElement VisualStyleBuilder Fill Repository

  6. Save the theme by selecting File >> Save As.

  7. Now, you can apply your custom theme to RadRadioButton by using the demonstrated approach in the following link: Using custom themes

See Also

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