private static MemberInfo[] GetInterfaceMembersImplementedBy([NotNull] MemberInfo member)
{
Fail.IfArgumentNull(member, nameof(member));
Fail.IfArgumentNull(member.DeclaringType, nameof(member.DeclaringType));
Type elementType = member.DeclaringType;
Type[] interfaces = elementType.GetInterfaces();
var property = member as PropertyInfo;
if (property != null)
{
return(interfaces.Select(i => i.GetProperty(property.Name))
.Where(p => p != null)
.Cast <MemberInfo>()
.ToArray());
}
if (elementType.IsInterface)
{
return(new MemberInfo[0]);
}
var method = member.CastOrFail <MethodInfo>();
var interfaceMethods = new List <MethodInfo>();
foreach (Type @interface in interfaces)
{
InterfaceMapping map = elementType.GetInterfaceMap(@interface);
int elementIndex = Array.IndexOf(map.TargetMethods, method);
if (elementIndex == -1)
{
continue;
}
MethodInfo interfaceMember = map.InterfaceMethods[elementIndex];
interfaceMethods.Add(interfaceMember);
}
return(interfaceMethods.Cast <MemberInfo>()
.ToArray());
}