此任务似乎没有内置 UI,但只需稍微修改模板即可实现。我试过这个,它似乎工作正常。
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type telerik:RadDataPager}">
<Grid>
<DataPager:DataPagerPresenter AutoEllipsisMode="{TemplateBinding AutoEllipsisMode}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" DisplayMode="{TemplateBinding DisplayMode}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" ItemCount="{Binding ItemCount, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" NumericButtonStyle="{TemplateBinding NumericButtonStyle}" NumericButtonCount="{TemplateBinding NumericButtonCount}" PageCount="{TemplateBinding PageCount}" PageSize="{Binding PageSize, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" PageIndex="{TemplateBinding PageIndex}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
<StackPanel Orientation="Horizontal" Margin="0 0 120 0" HorizontalAlignment="Right">
<TextBlock Text="Page Size:" VerticalAlignment="Center"/>
<TextBox Height="20" Width="20"
Text="{Binding RelativeSource={RelativeSource Mode=TemplatedParent}, Mode=TwoWay, Path=PageSize}" />
</StackPanel>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
可能需要稍微修改放置以使其适应您的需求。