public TreeView(Tree tree, SampleClient client)
{
InitializeComponent();
BindingContext = nodes;
storedTree = tree;
opcClient = client;
DisplayNodes();
}
public MainPage()
{
InitializeComponent();
textInfo = new LabelViewModel();
OpcClient = new SampleClient(textInfo);
stacklayout = new StackLayout();
BindingContext = textInfo;
endpointUrl = null;
}