public static Func <object> CreateFactory(XamlReader reader, Type resultType)
{
if (reader == null)
{
throw FxTrace.Exception.ArgumentNull(nameof(reader));
}
if (resultType == null)
{
throw FxTrace.Exception.ArgumentNull(nameof(resultType));
}
return(FuncFactory.CreateFunc(reader, resultType));
}
public override XamlReader Save(object value, IServiceProvider serviceProvider)
{
FuncFactory factory = GetFactory(value as Delegate);
if (factory == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.SavingFuncToXamlNotSupported));
}
XamlReader result = factory.Nodes.GetReader();
if (factory.ParentNamespaces != null)
{
result = InsertNamespaces(result, factory.ParentNamespaces);
}
return(result);
}
internal static FuncFactory CreateFactory(XamlReader xamlReader, IServiceProvider context)
{
IXamlObjectWriterFactory objectWriterFactory = context.GetService(typeof(IXamlObjectWriterFactory)) as IXamlObjectWriterFactory;
IProvideValueTarget provideValueService = context.GetService(typeof(IProvideValueTarget)) as IProvideValueTarget;
Type propertyType = null;
//
// IProvideValueTarget.TargetProperty can return DP, Attached Property or MemberInfo for clr property
// In this case it should always be a regular clr property here - we are always targeting Activity.Body.
PropertyInfo propertyInfo = provideValueService.TargetProperty as PropertyInfo;
if (propertyInfo != null)
{
propertyType = propertyInfo.PropertyType;
}
FuncFactory funcFactory = CreateFactory(objectWriterFactory, xamlReader, propertyType.GetGenericArguments());
return(funcFactory);
}
public static Func <T> CreateFunc <T>(XamlReader reader) where T : class
{
FuncFactory <T> factory = new FuncFactory <T>(null, reader);
return(factory.GetTypedFunc());
}
public static Func <object> CreateFunc(XamlReader reader, Type returnType)
{
FuncFactory factory = CreateFactory(null, reader, returnType);
return(factory.GetFunc());
}