/// <summary>
/// Finds a DependencyProperty for the specified C# property
/// </summary>
private DependencyProperty FindStandardProperty(Type originalObjectType, string dependencyProperty)
{
var propertyType = BindingPropertyHelper.GetPropertyType(originalObjectType, dependencyProperty);
if (propertyType != null)
{
// This line populates the cache for the getter in the BindingPropertyHelper, making the binder
// pick it up later on.
var setter = BindingPropertyHelper.GetValueSetter(originalObjectType, dependencyProperty, true);
var property = DependencyProperty.GetProperty(originalObjectType, dependencyProperty);
if (property == null)
{
// Create a stub property so the BindingPropertyHelper is able to pick up
// the plain C# properties.
property = DependencyProperty.Register(
dependencyProperty,
propertyType,
originalObjectType,
new PropertyMetadata(null)
);
}
return(property);
}
else
{
this.Log().Error($"The property {dependencyProperty} does not exist on {originalObjectType}");
return(null);
}
}
public void SetBinding(string dependencyProperty, BindingBase binding)
{
TryRegisterInheritedProperties(force: true);
if (dependencyProperty == null)
{
throw new ArgumentNullException(nameof(dependencyProperty));
}
if (binding == null)
{
throw new ArgumentNullException(nameof(binding));
}
var fullBinding = binding as Windows.UI.Xaml.Data.Binding;
if (fullBinding != null)
{
var boundProperty = DependencyProperty.GetProperty(_originalObjectType, dependencyProperty)
?? FindStandardProperty(_originalObjectType, dependencyProperty);
if (boundProperty != null)
{
_properties.SetBinding(boundProperty, fullBinding, _originalObjectRef);
}
}
else
{
throw new NotSupportedException("Only Windows.UI.Xaml.Data.Binding is supported for bindings.");
}
}
private static DependencyProperty GetVisibilityProperty(View view)
{
if (view is FrameworkElement)
{
return(VisibilityProperty);
}
else
{
return(DependencyProperty.GetProperty(view.GetType(), nameof(Visibility)));
}
}
public void SetBindingValue(object value, [CallerMemberName] string propertyName = null)
{
var property = DependencyProperty.GetProperty(_originalObjectType, propertyName);
if (property != null)
{
SetBindingValue(value, property);
}
else
{
throw new InvalidOperationException($"Binding to a non-DependencyProperty is not supported ({_originalObjectType}.{propertyName})");
}
}
