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Last Updated: 22 May 2023 08:27 by ADMIN
Release LIB 2023.1.522 (22 May 2023)
Stenly
Created on: 24 Mar 2023 09:22
Category: ComboBox
Type: Bug Report
1
ComboBox: Items in the drop-down menu flicker when Windows 11 theme is applied

The items of the RadComboBox control flicker when scrolling and the Windows 11 theme is applied.

To work this around, a new Style with TargetType="RadComboBoxItem" could be created for the ItemContainerStyle property of RadComboBox. Then, set the BorderBrush and ThemeHelper.MouseOverBrush properties to "#F9F9F9".

xmlns:helpers="clr-namespace:Telerik.Windows.Controls.Theming.Helpers;assembly=Telerik.Windows.Controls"

<telerik:RadComboBox.ItemContainerStyle>
    <Style TargetType="telerik:RadComboBoxItem">
        <Setter Property="helpers:ThemeHelper.MouseOverBrush" Value="#F9F9F9" />
        <Setter Property="BorderBrush" Value="#F9F9F9"/>
    </Style>
</telerik:RadComboBox.ItemContainerStyle>

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