Type.IsPrimitiveImpl 方法

定义

命名空间:

System

程序集:

netstandard.dll, System.Runtime.dll

Source:

Type.cs

在派生类中重写时，实现 IsPrimitive 属性并确定 Type 是否为基元类型之一。

C#

protected abstract bool IsPrimitiveImpl();

返回

Boolean

如果 true 为基元类型之一，则为 Type；否则为 false。

示例

以下示例确定给定类型是否为基元类型并显示结果。

C#

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);
        }
    }
}

注解

基元类型为 Boolean、、Byte、SByte、Int16、Int32UInt16UInt32、Int64、UInt64、Char、 Double和 。Single

适用于

另请参阅

• Boolean
• Byte
• SByte
• Int16
• UInt16
• Int32
• UInt32
• Int64
• UInt64
• Char
• Double
• Single
• IsPrimitive