// on show each window
public static WindowStateSaver ConfigureWindow(string windowKey, Window window, ISaverData data)
{
var settings = new WindowStateSaver(windowKey, window, data);
settings.Configure();
return(settings);
}
private WindowStateSaver(string key, Window window, ISaverData data)
{
_key = key;
_window = window;
_data = data;
}