Type.IsPrimitiveImpl-Methode

Implementiert beim Überschreiben in einer abgeleiteten Klasse die IsPrimitive-Eigenschaft und bestimmt, ob Type zu den primitiven Typen gehört.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
Protected MustOverride Function IsPrimitiveImpl As Boolean
'Usage
Dim returnValue As Boolean

returnValue = Me.IsPrimitiveImpl

protected abstract bool IsPrimitiveImpl ()

protected:
virtual bool IsPrimitiveImpl () abstract

protected abstract boolean IsPrimitiveImpl ()

protected abstract function IsPrimitiveImpl () : boolean

Rückgabewert

true, wenn Type zu den primitiven Typen gehört, andernfalls false.

Hinweise

Die primitiven Typen sind Boolean, Byte, SByte, Int16, UInt16, Int32, UInt32, Int64, UInt64, Char, Double und Single.

Beispiel

Im folgenden Beispiel wird bestimmt, ob der angegebene Typ ein primitiver Typ ist, und das Ergebnis wird angezeigt.

Imports System
Imports System.Reflection
Imports Microsoft.VisualBasic
Public Class MyTypeDelegatorClass
    Inherits TypeDelegator
    Public myElementType As String = Nothing
    Private myType As Type = Nothing
    Public Sub New(ByVal myType As Type)
        MyBase.New(myType)
        Me.myType = myType
    End Sub 'New
    ' Override the IsPrimitiveImpl method.
    Protected Overrides Function IsPrimitiveImpl() As Boolean
        ' Determine whether the type is a primitive type.
        If myType.IsPrimitive Then
            myElementType = "primitive"
            Return True
        End If
        Return False
    End Function 'IsPrimitiveImpl
End Class 'MyTypeDelegatorClass
Public Class MyTypeDemoClass
    Public Shared Sub Main()
        Try
            Console.WriteLine("Determine whether int is a primitive type.")
            Dim myType As MyTypeDelegatorClass
            myType = New MyTypeDelegatorClass(GetType(Integer))
            ' Determine whether int is a primitive type.
            If myType.IsPrimitive Then
                Console.WriteLine(GetType(Integer).ToString() + " is a primitive type.")
            Else
                Console.WriteLine(GetType(Integer).ToString() + " is not a primitive type.")
            End If
            Console.WriteLine(ControlChars.NewLine + "Determine whether string is a primitive type.")
            myType = New MyTypeDelegatorClass(GetType(String))
            ' Determine whether string is a primitive type.
            If myType.IsPrimitive Then
                Console.WriteLine(GetType(String).ToString() + " is a primitive type.")
            Else
                Console.WriteLine(GetType(String).ToString() + " is not a primitive type.")
            End If
        Catch e As Exception
            Console.WriteLine("Exception: {0}", e.Message.ToString())
        End Try
    End Sub 'Main
End Class 'MyTypeDemoClass

using System;
using System.Reflection;
public class MyTypeDelegatorClass : TypeDelegator
{
    public string myElementType = null;
    private Type myType = null ; 
    public MyTypeDelegatorClass(Type myType) : base(myType)
    {
        this.myType = myType;
    }
    // Override the IsPrimitiveImpl.
    protected override bool IsPrimitiveImpl()
    {
        // Determine whether the type is a primitive type.
        if(myType.IsPrimitive)
        { 
            myElementType = "primitive";
            return true;
        }
        return false;
    }
}
public class MyTypeDemoClass
{
    public static void Main()
    {
        try
        {
            Console.WriteLine ("Determine whether int is a primitive type.");
            MyTypeDelegatorClass myType;
            myType = new MyTypeDelegatorClass(typeof(int));
            // Determine whether int is a primitive type.
            if( myType.IsPrimitive)
            {
                Console.WriteLine(typeof(int) + " is a primitive type.");
            }
            else
            {
                Console.WriteLine(typeof(int) + " is not a primitive type.");
            }
            Console.WriteLine ("\nDetermine whether string is a primitive type.");
            myType = new MyTypeDelegatorClass(typeof(string));
            // Determine if string is a primitive type.
            if( myType.IsPrimitive)
            {
                Console.WriteLine(typeof(string) + " is a primitive type.");
            }
            else
            {
                Console.WriteLine(typeof(string) + " is not a primitive type.");
            }
        }
        catch( Exception e )
        {
            Console.WriteLine("Exception: {0}", e.Message);
        }
    }
}

using namespace System;
using namespace System::Reflection;

public ref class MyTypeDelegatorClass: public TypeDelegator
{
public:
   String^ myElementType;

private:
   Type^ myType;

public:
   MyTypeDelegatorClass( Type^ myType )
      : TypeDelegator( myType )
   {
      this->myType = myType;
   }

protected:

   // Override the IsPrimitiveImpl.
   virtual bool IsPrimitiveImpl() override
   {
      
      // Determine whether the type is a primitive type.
      if ( myType->IsPrimitive )
      {
         myElementType = "primitive";
         return true;
      }

      return false;
   }
};

int main()
{
   try
   {
      Console::WriteLine( "Determine whether int is a primitive type." );
      MyTypeDelegatorClass^ myType;
      myType = gcnew MyTypeDelegatorClass( int::typeid );
      
      // Determine whether int is a primitive type.
      if ( myType->IsPrimitive )
      {
         Console::WriteLine( "{0} is a primitive type.", int::typeid );
      }
      else
      {
         Console::WriteLine( "{0} is not a primitive type.", int::typeid );
      }
      Console::WriteLine( "\nDetermine whether String is a primitive type." );
      myType = gcnew MyTypeDelegatorClass( String::typeid );
      
      // Determine if String is a primitive type.
      if ( myType->IsPrimitive )
      {
         Console::WriteLine( "{0} is a primitive type.", String::typeid );
      }
      else
      {
         Console::WriteLine( "{0} is not a primitive type.", String::typeid );
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "Exception: {0}", e->Message );
   }
}

import System.*;
import System.Reflection.*;
public class MyTypeDelegatorClass extends TypeDelegator
{
    public String myElementType = null;
    private Type myType = null;

    public MyTypeDelegatorClass(Type myType)
    {
        super(myType);
        this.myType = myType;
    } //MyTypeDelegatorClass

    // Override the IsPrimitiveImpl.
    protected boolean IsPrimitiveImpl()
    {
        // Determine whether the type is a primitive type.
        if (myType.get_IsPrimitive()) {
            myElementType = "primitive";
            return true;
        }
        return false;
    } //IsPrimitiveImpl
} //MyTypeDelegatorClass

public class MyTypeDemoClass
{
    public static void main(String[] args)
    {
        try {
            Console.WriteLine("Determine whether int is a primitive type.");
            MyTypeDelegatorClass myType;
            myType = new MyTypeDelegatorClass(int.class.ToType());
            // Determine whether int is a primitive type.
            if (myType.get_IsPrimitive()) {
                Console.WriteLine(int.class.ToType() + " is a primitive type.");
            }
            else {
                Console.WriteLine(int.class.ToType() 
                    + " is not a primitive type.");
            }
            Console.WriteLine("\nDetermine whether string is a primitive type.");
            myType = new MyTypeDelegatorClass(String.class.ToType());
            // Determine if string is a primitive type.
            if (myType.get_IsPrimitive()) {
                Console.WriteLine(String.class.ToType() 
                    + " is a primitive type.");
            }
            else {
                Console.WriteLine(String.class.ToType() 
                    + " is not a primitive type.");
            }
        }
        catch (System.Exception e) {
            Console.WriteLine("Exception: {0}", e.get_Message());
        }
    } //main
} //MyTypeDemoClass

Plattformen

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile für Pocket PC, Windows Mobile für Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

.NET Compact Framework

Unterstützt in: 2.0, 1.0

Siehe auch

Referenz

Type-Klasse
Type-Member
System-Namespace
Boolean-Struktur
Byte-Struktur
SByte-Struktur
Int16-Struktur
UInt16
Int32-Struktur
UInt32
Int64-Struktur
UInt64
Char-Struktur
Double-Struktur
Single-Struktur
IsPrimitive