/// <summary>
/// Creates a new XamlObjectServiceProvider instance.
/// </summary>
public XamlObjectServiceProvider(XamlObject obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
XamlObject = obj;
Resolver = new XamlTypeResolverProvider(obj);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value == null)
{
return(null);
}
if (value is string)
{
XamlTypeResolverProvider xamlTypeResolver =
(XamlTypeResolverProvider)context.GetService(typeof(XamlTypeResolverProvider));
if (xamlTypeResolver == null)
{
throw new XamlLoadException("XamlTypeResolverProvider not found in type descriptor context.");
}
XamlPropertyInfo prop = xamlTypeResolver.ResolveProperty((string)value);
if (prop == null)
{
throw new XamlLoadException("Could not find property " + value + ".");
}
XamlDependencyPropertyInfo depProp = prop as XamlDependencyPropertyInfo;
if (depProp != null)
{
return(depProp.DependencyProperty);
}
FieldInfo field = prop.TargetType.GetField(prop.Name + "Property",
BindingFlags.Public | BindingFlags.Static);
if (field != null && field.FieldType == typeof(DependencyProperty))
{
return((DependencyProperty)field.GetValue(null));
}
throw new XamlLoadException("Property " + value + " is not a dependency property.");
}
else
{
return(base.ConvertFrom(context, culture, value));
}
}
