attributes = TypeDescriptor.GetProperties(typeof(T)); return GetValue<U>(attributes, name); } /// /// /// /// <typeparam name="T">自定义的class|struct|enum</typeparam> /// <typeparam name="U">DescriptionAttribute|DisplayNameAttribute|CategoryAttribute</typeparam> /// <returns></ret...
enum_member_declaration: attributes? identifier ('='constant_expression)? ; Each enum member has an associated constant value. The type of this value is the underlying type for the containing enum. The constant value for each enum member shall be in the range of the underlying type for the ...
netstandard.dll, System.Runtime.CompilerServices.VisualC.dll Source: Attributes.cs Indicates that a native enumeration is not qualified by the enumeration type name. This class cannot be inherited. C# Copy [System.AttributeUsage(System.AttributeTargets.Enum)] public sealed class ScopelessEnumAttribu...
file1 attributes are: Archive, Compressed, Device file2 attributes are: Device, Directory, Encrypted 若要测试是否设置了特定标志,可使用二元比较运算符 -band。 此示例针对 的值中的 Device 和Archive$file2 属性进行测试。 PowerShell 复制 PS > ($file2 -band [FileAttributes]::Device) -eq [File...
{2}", f.Name, f.GetValue(obj), f.Attributes); } } /* This code example produces the following output: Reflection.FieldAttributes m_field = "String A"; attributes: Private Field = "String B"; attributes: Public FieldC = "String C"; attributes: Public, Static, Literal, HasDefault *...
var result = Orm.Select<process>().Where(c=>c.attributes.HasFlag(ProcessAttribute.Published)&& c.attributes.HasFlag(ProcessAttribute.PublishedWS)).ToList(); 该语句执行报错,报错内容为 未实现函数表达式 c.attributes.HasFlag(Convert(Published, Enum)) 解析
using System; using System.IO; namespace ConsoleApplication { class Program { static void Main(string[] args) { FileAttributes attributes = File.GetAttributes("c:/Temp/testfile.txt"); if ((attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly) { Console.WriteLine("read-only file...
Attributes IntroducedAttribute UnavailableAttribute Fields展开表 NameValueDescription Query 1 The subscription tracks data lifecycle events for records that satisfy a query. RecordZone 2 The subscription tracks data lifecycle events for records in a particular record zone. Database 3 ...
Inheritors of DapperSmartEnum can be decorated with custom attributes in order to configure its type handler. Use DbTypeAttribute (e.g. [DbType(DbType.String)]) to specify that parameters should have their DbType property set to the specified value. Use DoNotSetDbTypeAttribute (e.g. [DoNo...
In classes they belong (like all constants) to the static attributes and can be addressed accordingly using the component selectors => and ->. Enumerated values The enumerated values (the content of the enumerated constants) are determined as follows: ...