C# DescriptionAttribute 取值
public static class Extensions { public static string GetDescription(this object obj, string name) { var referencedType = obj.GetType(); return GetDescription(referencedType, name); } public static string GetDescription(Type referencedType, string propertyName) { // gets the properties of the referenced type PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(referencedType); if (properties != null) { // gets a PropertyDescriptor to the specific property. PropertyDescriptor property = properties[propertyName]; if (property != null) { // gets the attributes of the required property AttributeCollection attributes = property.Attributes; // Gets the description attribute from the collection. DescriptionAttribute descript = (ObjectDescriptionAttribute)attributes[typeof(ObjectDescriptionAttribute)]; // register the referenced description if (!String.IsNullOrEmpty(descript.Description)) { return descript.Description; } } } return string.Empty; } }