MethodBase.IsAbstract Propiedad
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Obtiene un valor que indica si el método es abstracto.
public:
property bool IsAbstract { bool get(); };
public bool IsAbstract { get; }
member this.IsAbstract : bool
Public ReadOnly Property IsAbstract As Boolean
Es true
si el método es abstracto; de lo contrario, es false
.
En el ejemplo siguiente se determina si el método especificado es abstracto y muestra el resultado.
using namespace System;
using namespace System::Reflection;
int main()
{
Console::WriteLine( "\nReflection.MethodBase" );
// Get the types.
Type^ MyType1 = Type::GetType( "System.Runtime.Serialization.Formatter" );
Type^ MyType2 = Type::GetType( "System.Reflection.MethodBase" );
// Get and display the methods.
MethodBase^ Mymethodbase1 = MyType1->GetMethod( "WriteInt32", static_cast<BindingFlags>(BindingFlags::NonPublic | BindingFlags::Instance) );
MethodBase^ Mymethodbase2 = MyType2->GetMethod( "GetCurrentMethod", static_cast<BindingFlags>(BindingFlags::Public | BindingFlags::Static) );
Console::Write( "\nMymethodbase = {0}", Mymethodbase1 );
if ( Mymethodbase1->IsAbstract )
Console::Write( "\nMymethodbase is an abstract method." );
else
Console::Write( "\nMymethodbase is not an abstract method." );
Console::Write( "\n\nMymethodbase = {0}", Mymethodbase2 );
if ( Mymethodbase2->IsAbstract )
Console::Write( "\nMymethodbase is an abstract method." );
else
Console::Write( "\nMymethodbase is not an abstract method." );
return 0;
}
using System;
using System.Reflection;
// using System.Windows.Forms;
class methodbase
{
public static int Main(string[] args)
{
Console.WriteLine ("\nReflection.MethodBase");
// Get the types.
Type MyType1 = Type.GetType("System.Runtime.Serialization.Formatter");
Type MyType2 = Type.GetType("System.Reflection.MethodBase");
// Get and display the methods.
MethodBase Mymethodbase1 =
MyType1.GetMethod("WriteInt32", BindingFlags.NonPublic|BindingFlags.Instance);
MethodBase Mymethodbase2 =
MyType2.GetMethod("GetCurrentMethod", BindingFlags.Public|BindingFlags.Static);
Console.Write("\nMymethodbase = " + Mymethodbase1.ToString());
if (Mymethodbase1.IsAbstract)
Console.Write ("\nMymethodbase is an abstract method.");
else
Console.Write ("\nMymethodbase is not an abstract method.");
Console.Write("\n\nMymethodbase = " + Mymethodbase2.ToString());
if (Mymethodbase2.IsAbstract)
Console.Write ("\nMymethodbase is an abstract method.");
else
Console.Write ("\nMymethodbase is not an abstract method.");
return 0;
}
}
Imports System.Reflection
Class methodbase1
Public Shared Function Main() As Integer
Console.WriteLine("Reflection.MethodBase")
Console.WriteLine()
' Get the types.
Dim MyType1 As Type = _
Type.GetType("System.Runtime.Serialization.Formatter")
Dim MyType2 As Type = _
Type.GetType("System.Reflection.MethodBase")
' Get and display the methods
Dim Mymethodbase1 As MethodBase = _
MyType1.GetMethod("WriteInt32", BindingFlags.NonPublic Or BindingFlags.Instance)
Dim Mymethodbase2 As MethodBase = _
MyType2.GetMethod("GetCurrentMethod", BindingFlags.Public Or BindingFlags.Static)
Console.WriteLine("Mymethodbase = {0}", Mymethodbase1.ToString())
If Mymethodbase1.IsAbstract Then
Console.WriteLine(ControlChars.CrLf & "Mymethodbase is an abstract method.")
Else
Console.WriteLine(ControlChars.CrLf & "Mymethodbase is not an abstract method.")
End If
Console.Write("Mymethodbase = {0}", Mymethodbase2.ToString())
If Mymethodbase2.IsAbstract Then
Console.WriteLine(ControlChars.CrLf & "Mymethodbase is an abstract method.")
Else
Console.WriteLine(ControlChars.CrLf & "Mymethodbase is not an abstract method.")
End If
Return 0
End Function
End Class
Un miembro abstracto se declara en una clase base y no se proporciona ninguna implementación.
Para obtener , MethodBaseprimero obtenga el tipo . En el tipo, obtenga el método . En el método , obtenga .MethodBase
Si el MethodBase
constructor o no es público, está protegido y no se puede acceder fácilmente. Para acceder a un método no público, establezca la BindingFlags máscara NonPublic
en en GetMethod
.
Produto | Versións |
---|---|
.NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1 |
UWP | 10.0 |
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