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Sep 10, 2025
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Update the README.md file #3

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Update the README.md file
Santhosh-SF4792 Sep 5, 2025
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Santhosh-SF4792 Sep 7, 2025
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# How to use checkbox in treeview?
This example illustrates how to use checkbox in treeview.

## Sample

### XAML
```xaml
<ContentPage.Content>
<syncfusion:SfTreeView CheckBoxMode="Recursive">
<syncfusion:SfTreeView.Nodes>
<treeviewengine:TreeViewNode Content="Australia" IsChecked="True" IsExpanded="True">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode x:Name="newSouthWales" Content="New South Wales">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="Sydney"/>
<treeviewengine:TreeViewNode Content="New York">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
<treeviewengine:TreeViewNode Content="United States of America">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="New York">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
<treeviewengine:TreeViewNode Content="California">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
<treeviewengine:TreeViewNode Content="New South Wales" IsChecked="True">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="Sydney"/>
<treeviewengine:TreeViewNode Content="New York">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>

</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
<treeviewengine:TreeViewNode Content="United States of America" IsChecked="True">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="New York">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
<treeviewengine:TreeViewNode Content="California">
<treeviewengine:TreeViewNode.ChildNodes>
<treeviewengine:TreeViewNode Content="San Francisco"/>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
</treeviewengine:TreeViewNode.ChildNodes>
</treeviewengine:TreeViewNode>
</syncfusion:SfTreeView.Nodes>

<syncfusion:SfTreeView.ItemTemplate>
<DataTemplate>
<ViewCell>
<ViewCell.View>
<Grid Padding="5">
<SfCheckBox:SfCheckBox
Text="{Binding Content}"
IsChecked="{Binding IsChecked, Mode=TwoWay}" />
</Grid>
</ViewCell.View>
</ViewCell>
</DataTemplate>
</syncfusion:SfTreeView.ItemTemplate>
</syncfusion:SfTreeView>
</ContentPage.Content>
```

## Requirements to run the demo

To run the demo, refer to [System Requirements for Xamarin](https://help.syncfusion.com/xamarin/system-requirements)

## Troubleshooting
### Path too long exception
If you are facing path too long exception when building this example project, close Visual Studio and rename the repository to short and build the project.