验证枚举中没有重复的枚举成员。
命名空间： Microsoft.Data.Edm.Validation
程序集： Microsoft.Data.Edm（在 Microsoft.Data.Edm.dll 中）
语法
声明
Public Shared ReadOnly EnumTypeEnumMemberNameAlreadyDefined As ValidationRule(Of IEdmEnumType)
用法
Dim value As ValidationRule(Of IEdmEnumType)
value = ValidationRules.EnumTypeEnumMemberNameAlreadyDefined
public static readonly ValidationRule<IEdmEnumType> EnumTypeEnumMemberNameAlreadyDefined
public:
static initonly ValidationRule<IEdmEnumType^>^ EnumTypeEnumMemberNameAlreadyDefined
static val EnumTypeEnumMemberNameAlreadyDefined: ValidationRule<IEdmEnumType>
public static final var EnumTypeEnumMemberNameAlreadyDefined : ValidationRule<IEdmEnumType>