/// <summary>
/// Binds this wrapper object's exposed WPF DependencyProperty with the wrapped UWP object's DependencyProperty
/// for what effectively works as a regular one- or two-way binding.
/// </summary>
/// <param name="propertyName">the registered name of the dependency property</param>
/// <param name="wpfProperty">the DependencyProperty of the wrapper</param>
/// <param name="uwpProperty">the related DependencyProperty of the UWP control</param>
/// <param name="converter">a converter, if one's needed</param>
/// <param name="direction">indicates that the binding should be one or two directional. If one way, the Uwp control is only updated from the wrapper.</param>
public void Bind(string propertyName, DependencyProperty wpfProperty, Windows.UI.Xaml.DependencyProperty uwpProperty, object converter = null, BindingDirection direction = BindingDirection.TwoWay)
{
if (direction == BindingDirection.TwoWay)
{
var binder = new Windows.UI.Xaml.Data.Binding()
{
Source = this,
Path = new Windows.UI.Xaml.PropertyPath(propertyName),
Converter = (Windows.UI.Xaml.Data.IValueConverter)converter
};
Windows.UI.Xaml.Data.BindingOperations.SetBinding(ChildInternal, uwpProperty, binder);
}
var rebinder = new Binding()
{
Source = ChildInternal,
Path = new PropertyPath(propertyName),
Converter = (IValueConverter)converter
};
BindingOperations.SetBinding(this, wpfProperty, rebinder);
}
static public string GetDependencyPropertyName(this Windows.UI.Xaml.DependencyObject obj, Windows.UI.Xaml.DependencyProperty depprop)
{
foreach (var field in obj.GetType().GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Static | BindingFlags.Public))
{
if (field.FieldType == typeof(Windows.UI.Xaml.DependencyProperty) && field.GetValue(null) == depprop)
{
return(field.Name);
}
}
foreach (var prop in obj.GetType().GetProperties(BindingFlags.FlattenHierarchy | BindingFlags.Static | BindingFlags.Public))
{
if (prop.PropertyType == typeof(Windows.UI.Xaml.DependencyProperty) && prop.GetValue(null) == depprop)
{
return(prop.Name);
}
}
return(null);
}
