How to Disable RadExpander Header Click

Updated on Sep 15, 2025

Environment

Product

RadExpander for WPF

Description

How to disallow the clicking of the RadExpander's header.

Solution

To achieve this requirement you can set the IsHitTestVisible property of the header button to False. This will prevent the propagation of mouse events to the button. To set the property of the button, you can use the HeaderButtonStyle property of RadExpander.

Example 1: Disable header button click XAML <telerik:RadExpander.HeaderButtonStyle> <Style TargetType="telerik:RadToggleButton"> <Setter Property="IsHitTestVisible" Value="False" /> </Style> </telerik:RadExpander.HeaderButtonStyle>

See Also

• How To Change the Action Triggering an Expand