MethodBase.Attributes Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan atribut yang terkait dengan metode ini.
public:
abstract property System::Reflection::MethodAttributes Attributes { System::Reflection::MethodAttributes get(); };
public abstract System.Reflection.MethodAttributes Attributes { get; }
member this.Attributes : System.Reflection.MethodAttributes
Public MustOverride ReadOnly Property Attributes As MethodAttributes
Nilai Properti
Salah MethodAttributes satu nilai.
Penerapan
Contoh
Contoh kode berikut menampilkan atribut metode yang ditentukan pengguna Mymethod.
using namespace System;
using namespace System::Reflection;
using namespace System::Runtime::InteropServices;
public ref class AttributesSample
{
public:
void Mymethod( int int1m, [Out]interior_ptr<String^> str2m, interior_ptr<String^> str3m )
{
*str2m = "in Mymethod";
}
};
void PrintAttributes( Type^ attribType, int iAttribValue )
{
if ( !attribType->IsEnum )
{
Console::WriteLine( "This type is not an enum." );
return;
}
array<FieldInfo^>^fields = attribType->GetFields( static_cast<BindingFlags>(BindingFlags::Public | BindingFlags::Static) );
for ( int i = 0; i < fields->Length; i++ )
{
int fieldvalue = safe_cast<Int32>(fields[ i ]->GetValue( nullptr ));
if ( (fieldvalue & iAttribValue) == fieldvalue )
{
Console::WriteLine( fields[ i ]->Name );
}
}
}
int main()
{
Console::WriteLine( "Reflection.MethodBase.Attributes Sample" );
// Get the type.
Type^ MyType = Type::GetType( "AttributesSample" );
// Get the method Mymethod on the type.
MethodBase^ Mymethodbase = MyType->GetMethod( "Mymethod" );
// Display the method name.
Console::WriteLine( "Mymethodbase = {0}", Mymethodbase );
// Get the MethodAttribute enumerated value.
MethodAttributes Myattributes = Mymethodbase->Attributes;
// Display the flags that are set.
PrintAttributes( System::Reflection::MethodAttributes::typeid, (int)Myattributes );
return 0;
}
using System;
using System.Reflection;
class AttributesSample
{
public void Mymethod (int int1m, out string str2m, ref string str3m)
{
str2m = "in Mymethod";
}
public static int Main(string[] args)
{
Console.WriteLine ("Reflection.MethodBase.Attributes Sample");
// Get the type.
Type MyType = Type.GetType("AttributesSample");
// Get the method Mymethod on the type.
MethodBase Mymethodbase = MyType.GetMethod("Mymethod");
// Display the method name.
Console.WriteLine("Mymethodbase = " + Mymethodbase);
// Get the MethodAttribute enumerated value.
MethodAttributes Myattributes = Mymethodbase.Attributes;
// Display the flags that are set.
PrintAttributes(typeof(System.Reflection.MethodAttributes), (int) Myattributes);
return 0;
}
public static void PrintAttributes(Type attribType, int iAttribValue)
{
if (!attribType.IsEnum)
{
Console.WriteLine("This type is not an enum.");
return;
}
FieldInfo[] fields = attribType.GetFields(BindingFlags.Public | BindingFlags.Static);
for (int i = 0; i < fields.Length; i++)
{
int fieldvalue = (int)fields[i].GetValue(null);
if ((fieldvalue & iAttribValue) == fieldvalue)
{
Console.WriteLine(fields[i].Name);
}
}
}
}
Imports System.Reflection
Class AttributesSample
Public Sub Mymethod(ByVal int1m As Integer, ByRef str2m As String, ByRef str3m As String)
str2m = "in Mymethod"
End Sub
Public Shared Function Main(ByVal args() As String) As Integer
Console.WriteLine("Reflection.MethodBase.Attributes Sample")
' Get the type.
Dim MyType As Type = Type.GetType("AttributesSample")
' Get the method Mymethod on the type.
Dim Mymethodbase As MethodBase = MyType.GetMethod("Mymethod")
' Display the method name.
Console.WriteLine("Mymethodbase = {0}.", Mymethodbase)
' Get the MethodAttribute enumerated value.
Dim Myattributes As MethodAttributes = Mymethodbase.Attributes
' Display the flags that are set.
PrintAttributes(GetType(System.Reflection.MethodAttributes), CInt(Myattributes))
Return 0
End Function 'Main
Public Shared Sub PrintAttributes(ByVal attribType As Type, ByVal iAttribValue As Integer)
If Not attribType.IsEnum Then
Console.WriteLine("This type is not an enum.")
Return
End If
Dim fields As FieldInfo() = attribType.GetFields((BindingFlags.Public Or BindingFlags.Static))
Dim i As Integer
For i = 0 To fields.Length - 1
Dim fieldvalue As Integer = CType(fields(i).GetValue(Nothing), Int32)
If (fieldvalue And iAttribValue) = fieldvalue Then
Console.WriteLine(fields(i).Name)
End If
Next i
End Sub
End Class
Kode ini menghasilkan output berikut:
Sampel Reflection.MethodBase.Attributes
Mymethodbase = Void Mymethod(Int32, System.String ByRef, System.String ByRef)
PrivateScope
FamANDAssem
Keluarga
Publik
HideBySig
Gunakan KembaliLot
Keterangan
Semua anggota memiliki sekumpulan atribut, yang didefinisikan dalam kaitannya dengan jenis anggota tertentu.
Untuk mendapatkan MethodAttributes, pertama-tama dapatkan jenisnya. Dari jenis , dapatkan metode . Dari metode , dapatkan MethodAttributes.
Catatan Bagi Implementer
Attributes Gunakan properti untuk menentukan apakah metode adalah public
, , private
, final
virtual
, dan sebagainya.