System.ComponentModel.TypeDescriptor.TypeDescriptionNode.DefaultExtendedTypeDescriptor.ICustomTypeDescriptor C# (CSharp) Method

                AttributeCollection ICustomTypeDescriptor.GetAttributes()
                {
                    // Check to see if the provider we get is a ReflectTypeDescriptionProvider.
                    // If so, we can call on it directly rather than creating another
                    // custom type descriptor

                    TypeDescriptionProvider p = _node.Provider;
                    ReflectTypeDescriptionProvider rp = p as ReflectTypeDescriptionProvider;

                    if (rp != null)
                    {
                        return rp.GetExtendedAttributes(_instance);
                    }

                    ICustomTypeDescriptor desc = p.GetExtendedTypeDescriptor(_instance);
                    if (desc == null) throw new InvalidOperationException(SR.Format(SR.TypeDescriptorProviderError, _node.Provider.GetType().FullName, "GetExtendedTypeDescriptor"));
                    AttributeCollection attrs = desc.GetAttributes();
                    if (attrs == null) throw new InvalidOperationException(SR.Format(SR.TypeDescriptorProviderError, _node.Provider.GetType().FullName, "GetAttributes"));
                    return attrs;
                }