How to load style using XamlReader.Load()

how to Load below xaml code in user control using xamlreader.load() in c#

<Window
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
        xmlns:dxgt="http://schemas.devexpress.com/winfx/2008/xaml/grid/themekeys"><ResourceDictionary><Style x:Key="LastRowHighlighted"
            BasedOn="{StaticResource {dxgt:GridRowThemeKey ResourceKey=RowStyle}}"
            TargetType="{x:Type dxg:GridRowContent}"></Style></ResourceDictionary>