代替手段メッセージと、今後使用しないとマークされた要素を使用するとエラーになるかどうかを示す Boolean 値を指定して、ObsoleteAttribute クラスの新しいインスタンスを初期化します。
名前空間: System
アセンブリ: mscorlib (mscorlib.dll 内)
構文
'宣言
Public Sub New ( _
message As String, _
error As Boolean _
)
'使用
Dim message As String
Dim error As Boolean
Dim instance As New ObsoleteAttribute(message, error)
public ObsoleteAttribute (
string message,
bool error
)
public:
ObsoleteAttribute (
String^ message,
bool error
)
public ObsoleteAttribute (
String message,
boolean error
)
public function ObsoleteAttribute (
message : String,
error : boolean
)
パラメータ
- message
代わりに使用できる手段を説明する文字列。
- error
今後使用しないとマークした要素が使用された場合にエラーと見なすかどうかを示す Boolean 値。
解説
ObsoleteAttribute のインスタンスの初期プロパティ値を次の表に示します。
プロパティ |
値 |
|---|---|
error 値。 |
|
代替手段のメッセージ。 |
使用例
Imports System
Public Class ObsoleteAttrib_Cons1
' Mark the method as 'Obsolete' with message and IsError as parameters.
<ObsoleteAttribute("This function will be removed from future Versions.Use another function 'NewFunction'", False)> _
Public Function OldFunction() As String
OldFunction= "This is the String from old function."
End Function 'OldFunction
' Create the another function which is replacement to the 'OldFunction'.
Public Function NewFunction() As String
Return "This is the String from new function."
End Function 'NewFunction
End Class 'ObsoleteAttrib_Cons1
Public Class TestObsolete3
'Entry point which delegates to C-style main Private Function
Public Overloads Shared Sub Main()
Main(System.Environment.GetCommandLineArgs())
End Sub
Overloads Shared Sub Main(args() As String)
Try
Dim myObsolete As New ObsoleteAttrib_Cons1()
Console.WriteLine(myObsolete.OldFunction())
Console.WriteLine(myObsolete.NewFunction())
Catch e As Exception
Console.WriteLine(("The Exception is :" + e.Message))
End Try
End Sub 'Main
End Class 'TestObsolete3
using System;
public class ObsoleteAttrib_Cons1
{
// Mark the method as 'Obsolete' with message and IsError as parameters.
[ObsoleteAttribute("This function will be removed from future Versions.Use another function 'NewFunction'",false)]
public string OldFunction()
{
return "This is the String from old function.";
}
// Create the another function which is replacement to the 'OldFunction'.
public string NewFunction()
{
return "This is the String from new function.";
}
}
public class TestObsolete3
{
static void Main(string[] args)
{
try
{
ObsoleteAttrib_Cons1 myObsolete = new ObsoleteAttrib_Cons1();
Console.WriteLine(myObsolete.OldFunction());
Console.WriteLine(myObsolete.NewFunction());
}
catch(Exception e)
{
Console.WriteLine("The Exception is :"+e.Message);
}
}
}
using namespace System;
public ref class ObsoleteAttrib_Cons1
{
public:
// Mark the method as 'Obsolete' with message and IsError as parameters.
[ObsoleteAttribute("This function will be removed from future Versions. Use another function 'NewFunction'",false)]
String^ OldFunction()
{
return "This is the String from old function.";
}
// Create another function which is replacement to the 'OldFunction'.
String^ NewFunction()
{
return "This is the String from new function.";
}
};
int main()
{
try
{
ObsoleteAttrib_Cons1^ myObsolete = gcnew ObsoleteAttrib_Cons1;
Console::WriteLine( myObsolete->OldFunction() );
Console::WriteLine( myObsolete->NewFunction() );
}
catch ( Exception^ e )
{
Console::WriteLine( "The Exception is : {0}", e->Message );
}
}
import System.*;
public class ObsoleteAttrib_Cons1
{
// Mark the method as 'Obsolete' with message and IsError as parameters.
/** @attribute ObsoleteAttribute("This function will be removed from future"
+ "Versions.Use another function 'NewFunction'", false)
*/
public String OldFunction()
{
return "This is the String from old function.";
} //OldFunction
// Create the another function which is replacement to the 'OldFunction'.
public String NewFunction()
{
return "This is the String from new function.";
} //NewFunction
} //ObsoleteAttrib_Cons1
public class TestObsolete3
{
public static void main(String[] args)
{
try {
ObsoleteAttrib_Cons1 myObsolete = new ObsoleteAttrib_Cons1();
Console.WriteLine(myObsolete.OldFunction());
Console.WriteLine(myObsolete.NewFunction());
}
catch (System.Exception e) {
Console.WriteLine("The Exception is :" + e.get_Message());
}
} //main
} //TestObsolete3
プラットフォーム
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。
バージョン情報
.NET Framework
サポート対象 : 2.0、1.1、1.0
.NET Compact Framework
サポート対象 : 2.0、1.0