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How to Change the Funnel Filter Icon in RadGridView


Product RadGridView for WPF


How to change the filter icon of the FilteringDropDown control in RadGrdView


  1. Extract the ControlTemplate of the FilteringDropDown control.
  2. In the template, remove the Grid that holds the two Path elements representing the funnel icon.
  3. Then add a RadGlyph (or whatever element you prefer) in the Grid's place.
  4. Use an implicit style (a Style object without x:Key) to apply the customized template to the Template property of FilteringDropDown.

    <ControlTemplate TargetType="telerik:FilteringDropDown" x:Key="DistinctFilterControlTemplate"> 
            <Button x:Name="PART_DropDownButton"> 
                    <ControlTemplate TargetType="Button"> 
                <Border Cursor="Hand" MinWidth="22" Background="Transparent"> 
                    <!-- the custom icon --> 
                    <telerik:RadGlyph FontSize="16" Glyph="&#xe91e;" Foreground="{TemplateBinding Foreground}" />                      
            <Popup x:Name="PART_DropDownPopup" StaysOpen="True" AllowsTransparency="True" PopupAnimation="Slide"/> 
    <Style TargetType="telerik:FilteringDropDown"> 
        <Setter Property="Template" Value="{StaticResource DistinctFilterControlTemplate}"/> 

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