Help me pls,
<telerik:RadWindow
xmlns:data="clr-namespace:MySisEvo.Classes"
mc:Ignorable="d" d:DesignHeight="800" d:DesignWidth="888" Header="Pano Bilgileri" Background="White" ResizeMode="NoResize" Loaded="RadWindow_Loaded" FontFamily="Arial" UseLayoutRounding="{Binding}">
<telerik:RadWindow.Resources>
<ResourceDictionary Source="/Telerik.Windows.Controls.Gauge;component/Themes/Generic.xaml" x:Key="asdf"/>
<data:Entities x:Key="EntityObject" />
<LinearGradientBrush x:Key="CoverFlowItemBackground" StartPoint="0.5,0" EndPoint="0.5,1">
<LinearGradientBrush.GradientStops>
<GradientStopCollection>
<GradientStop Color="#FFd1d1d1" Offset="0" />
<GradientStop Color="#FFd1d1d1" Offset="0.02" />
<GradientStop Color="#FF7a7a7a" Offset="0.24" />
<GradientStop Color="#FF999999" Offset="0.53" />
<GradientStop Color="#FFBABABA" Offset="0.98" />
<GradientStop Color="#FFbbbbbb" Offset="0.99" />
</GradientStopCollection>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
<LinearGradientBrush x:Key="CoverFlowItemBorderBrush" EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#CCE0E0E0"/>
<GradientStop Color="#CCDEDEDE" Offset="1"/>
</LinearGradientBrush>
<Style x:Key="RadCoverFlowItemContainerStyle" TargetType="ListBoxItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="telerik:RadCoverFlowItem">
<Border Background="{StaticResource CoverFlowItemBackground}" BorderBrush="{StaticResource CoverFlowItemBorderBrush}"
BorderThickness="1" CornerRadius="3" telerik:RadCoverFlow.EnableLoadNotification="True">
<Image Source="{Binding ARC_RES1M}" Stretch="Uniform" Width="316" Height="223" Margin="9" />
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</telerik:RadWindow.Resources>
Thanks.