WPF passing string to new window

I am trying to pass a string to a new window when it is opened and it is not working. Here is the code in Window 1;

Window 1

private void myButton_Click(object sender, RoutedEventArgs e)
{
    var newMyWindow2 = new myWindow2();
    newMyWindow2.Show();
    newMyWindow2.myString = "The great String Value";
}

In Windows 2 here is my declaration of the string;

Windows 2

public partial class myWindow2 : Window
{
    public string myString { get; set; }
}

When I run it the string is coming out NULL. Why is this?

WPF passing string to new window

2 Answers