Partial Public Class About
    Inherits Page

    Public Sub New()
        InitializeComponent()
    End Sub

    Protected Overrides Sub OnNavigatingFrom(ByVal e As System.Windows.Navigation.NavigatingCancelEventArgs)
        If (e.Uri.ToString().Contains("/Home")) Then
            Dim surveyChildWindow As New SurveyWindow
            surveyChildWindow.Show()
        End If

        MyBase.OnNavigatingFrom(e)
    End Sub
End Class

public partial class About : Page
{
    public About()
    {
        InitializeComponent();
    }


    protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
    {
        if (e.Uri.ToString().Contains("/Home"))
        {
            SurveyWindow surveyChildWindow = new SurveyWindow();
            surveyChildWindow.Show();
        }

        base.OnNavigatingFrom(e);

    }
}