How To Change the Fold Size

Updated on Aug 24, 2026

To change the fold size you can use the FoldSize property of RadBook. It is of type Size. Here is an example below:

Example 1: Changing the fold size

XAML

	<telerik:RadBook x:Name="RadBook1" 
	                    Margin="50"
	                    FoldSize="150,150" RightPageIndex="1">
	    <telerik:RadBookItem Background="Red">
	        <StackPanel>
	            <TextBlock FontSize="36" Text="Page 1" />
	            <Button Content="Click Me" />
	        </StackPanel>
	    </telerik:RadBookItem>
	    <telerik:RadBookItem Background="BlueViolet">
	        <StackPanel>
	            <TextBlock HorizontalAlignment="Right" 
	                        FontSize="36"
	                        Text="Page 2" />
	            <Image Width="320" 
	                    Height="240"
	                    Source="Koala.jpg" />
	        </StackPanel>
	    </telerik:RadBookItem>
	    <telerik:RadBookItem Background="RosyBrown">
	        <TextBlock FontSize="36" Text="Page 3" />
	    </telerik:RadBookItem>
	    <telerik:RadBookItem Background="Chocolate">
	        <TextBlock HorizontalAlignment="Right" 
	                    FontSize="36"
	                    Text="Page 4" />
	    </telerik:RadBookItem>
	</telerik:RadBook>

See Also

• Getting Started
• Visual Structure