ObsoleteAttribute 클래스

정의

public ref class ObsoleteAttribute sealed : Attribute

[System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)]
public sealed class ObsoleteAttribute : Attribute

[System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)]
[System.Serializable]
public sealed class ObsoleteAttribute : Attribute

[System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)]
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public sealed class ObsoleteAttribute : Attribute

[<System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)>]
type ObsoleteAttribute = class
    inherit Attribute

[<System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)>]
[<System.Serializable>]
type ObsoleteAttribute = class
    inherit Attribute

[<System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Constructor | System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.Struct, Inherited=false)>]
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type ObsoleteAttribute = class
    inherit Attribute

Public NotInheritable Class ObsoleteAttribute
Inherits Attribute

상속

Object

Attribute

ObsoleteAttribute

특성

AttributeUsageAttribute SerializableAttribute ComVisibleAttribute

예제

다음 예제에서는 속성 및 특성으로 표시 되는 메서드를 포함 하는 클래스를 ObsoleteAttribute 정의 합니다. 코드에서 속성 값 OldProperty 에 액세스하면 컴파일러 경고가 생성되지만 메서드를 호출하면 CallOldMethod 컴파일러 오류가 발생합니다. 이 예제에서는 소스 코드를 컴파일하려고 할 때 발생하는 출력도 보여 있습니다.

using System;
using System.Reflection;

public class Example
{
   // Mark OldProperty As Obsolete.
   [ObsoleteAttribute("This property is obsolete. Use NewProperty instead.", false)]
   public static string OldProperty
   { get { return "The old property value."; } }

   public static string NewProperty
   { get { return "The new property value."; } }

   // Mark CallOldMethod As Obsolete.
   [ObsoleteAttribute("This method is obsolete. Call CallNewMethod instead.", true)]
   public static string CallOldMethod()
   {
      return "You have called CallOldMethod.";
   }

   public static string CallNewMethod()
   {
      return "You have called CallNewMethod.";
   }

   public static void Main()
   {
      Console.WriteLine(OldProperty);
      Console.WriteLine();
      Console.WriteLine(CallOldMethod());
   }
}
// The attempt to compile this example produces output like the following output:
//    Example.cs(31,25): error CS0619: 'Example.CallOldMethod()' is obsolete:
//            'This method is obsolete. Call CallNewMethod instead.'
//    Example.cs(29,25): warning CS0618: 'Example.OldProperty' is obsolete:
//            'This property is obsolete. Use NewProperty instead.'

open System

// Mark oldValue As Obsolete.
[<ObsoleteAttribute("This value is obsolete. Use newValue instead.", false)>]
let oldValue =
    "The old property value."

let newValue =
    "The new property value."

// Mark callOldFunction As Obsolete.
[<ObsoleteAttribute("This function is obsolete. Call callNewFunction instead.", true)>]
let callOldFunction () =
    "You have called CallOldMethod."

let callNewFunction () =
    "You have called CallNewMethod."

printfn $"{oldValue}"
printfn ""
printfn $"{callOldFunction ()}"
// The attempt to compile this example produces output like the following output:
//    Example.fs(23,12): error FS0101: This construct is deprecated. This function is obsolete. Call callNewFunction instead.
//    Example.fs(21,12): warning FS0044: This construct is deprecated. This value is obsolete. Use newValue instead.

Imports System.Reflection

Public Module Example
   ' Mark OldProperty As Obsolete.
   <ObsoleteAttribute("This property is obsolete. Use NewProperty instead.", False)> 
   Public ReadOnly Property OldProperty As String
      Get
         Return "The old property value."
      End Get
   End Property
   
   Public ReadOnly Property NewProperty As String
      Get
         Return "The new property value."
      End Get
   End Property
   
   ' Mark OldMethod As Obsolete.
   <ObsoleteAttribute("This method is obsolete. Call CallNewMethod instead.", True)> 
   Public Function CallOldMethod() As String
      Return "You have called CallOldMethod."
   End Function
      
   Public Function CallNewMethod() As String   
      Return "You have called NewMethod."
   End Function   
   
   Public Sub Main()
      Console.WriteLine(OldProperty)
      Console.WriteLine()
      Console.WriteLine(CallOldMethod())
   End Sub  
End Module
'  The attempt to compile this example produces output like the following:
'    Example.vb(30) : warning BC40000: 'Public ReadOnly Property OldProperty As String' is obsolete: 
'                     'This property is obsolete. Use NewProperty instead.'.
'    
'          Console.WriteLine(OldProperty)
'                            ~~~~~~~~~~~
'    Example.vb(32) : error BC30668: 'Public Function CallOldMethod() As String' is obsolete: 
'                     'This method is obsolete. Call CallNewMethod instead.'.
'    
'          Console.WriteLine(CallOldMethod())
'                            ~~~~~~~~~~~~~

설명

변경 없이 ObsoleteAttribute.cs 가져온 소스 코드로, 그에 따라 모든 결과 경고가 무시됩니다.

추가 정보

• Attribute
• 특성을 사용하여 메타데이터 확장