How to bind node data as CommandParameter for TreeView ItemTemplate content in Xamarin.Forms (SfTreeView)
You can bind the node item to CommandParameter in Xamarin.Forms SfTreeview by binding with dot.
C#
ItemInfoCommand defined to get the node data in the ViewModel.
public class FileManagerViewModel
{
public Command<object> NodeCommand { get; set; }
public FileManagerViewModel()
{
NodeCommand = new Command<object>(OnNodeExecuted);
}
public void OnNodeExecuted(object data)
{
App.Current.MainPage.DisplayAlert("Alert", (data as FileManager).ItemName.ToString() , "OK");
}
}
XAML
Binding (.) dot to CommandParameter of ViewModel command and will get the node data in the handler.
<Grid Grid.Column=”1”
RowSpacing="1"
Padding="1,0,0,0"
VerticalOptions="Center">
<Label LineBreakMode="NoWrap" TextColor="Black"
Text="{Binding ItemName}"
VerticalTextAlignment="Center">
</Label>
<Button Grid.Column="1" HorizontalOptions="End" Text="Node Data" CommandParameter="{Binding . }"
Command="{Binding Path=BindingContext.NodeCommand, Source={x:Reference treeView}}"/>
</Grid>
