ArrayTypeMismatchException ArrayTypeMismatchException ArrayTypeMismatchException ArrayTypeMismatchException Class

定义

当试图在数组中存储类型不正确的元素时引发的异常。The exception that is thrown when an attempt is made to store an element of the wrong type within an array.

public ref class ArrayTypeMismatchException : SystemException
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public class ArrayTypeMismatchException : SystemException
type ArrayTypeMismatchException = class
    inherit SystemException
Public Class ArrayTypeMismatchException
Inherits SystemException
继承
ArrayTypeMismatchExceptionArrayTypeMismatchExceptionArrayTypeMismatchExceptionArrayTypeMismatchException
属性

示例

下面的代码示例演示方案其中ArrayTypeMismatchException引发。The following code example demonstrates scenarios where ArrayTypeMismatchException is thrown.

using namespace System;
int main()
{
   array<String^>^names = { "Dog", "Cat", "Fish"};
   array<Object^>^objs = dynamic_cast<array<Object^>^>(names);
   try
   {
      objs[ 2 ] = (Object^)"Mouse";
      for ( Int32 i = 0; i < objs->Length; i++ )
      {
         Console::WriteLine( objs[ i ] );

      }
   }
   catch ( System::ArrayTypeMismatchException^ ) 
   {
      
      // Not reached, "Mouse" is of the correct type
      Console::WriteLine(  "Exception Thrown" );
   }

   try
   {
      Object^ obj = 13;
      objs[ 2 ] = obj;
   }
   catch ( System::ArrayTypeMismatchException^ ) 
   {
      
      // Always reached, 13 is not a string.
      Console::WriteLine(  "New element is not of the correct type" );
   }

   
   // Set obj to an array of objects instead of an array of strings
   array<Object^>^objs2 = gcnew array<Object^>(3);
   try
   {
      objs2[ 0 ] = (Object^)"Turtle";
      objs2[ 1 ] = 12;
      objs2[ 2 ] = 2.341;
      for ( Int32 i = 0; i < objs->Length; i++ )
      {
         Console::WriteLine( objs2[ i ] );

      }
   }
   catch ( System::ArrayTypeMismatchException^ ) 
   {
      
      // ArrayTypeMismatchException is not thrown this time.
      Console::WriteLine(  "Exception Thrown" );
   }

}

/*expected return values:
Dog
Cat
Mouse
New element is not of the correct type
Turtle
12
2.341
*/
using System;

namespace ArrayTypeMismatch
{
    class Class1
    {
        static void Main(string[] args) 
        {
            string[] names = {"Dog", "Cat", "Fish"};
            Object[] objs  = (Object[]) names;

            try 
            {
                objs[2] = "Mouse";

                foreach (object animalName in objs) 
                {
                    System.Console.WriteLine(animalName);
                }
            }
            catch (System.ArrayTypeMismatchException) 
            {
                // Not reached; "Mouse" is of the correct type.
                System.Console.WriteLine("Exception Thrown.");
            }

            try 
            {
                Object obj = (Object) 13;
                objs[2] = obj;
            }
            catch (System.ArrayTypeMismatchException) 
            {
                // Always reached, 13 is not a string.
                System.Console.WriteLine(
                    "New element is not of the correct type.");
            }
    
            // Set objs to an array of objects instead of 
            // an array of strings.
            objs  = new Object[3];
            try 
            {
                objs[0] = (Object) "Turtle";
                objs[1] = (Object) 12;
                objs[2] = (Object) 2.341;

                foreach (object element in objs) 
                {
                    System.Console.WriteLine(element);
                }
            }
            catch (System.ArrayTypeMismatchException) 
            {
                // ArrayTypeMismatchException is not thrown this time.
                System.Console.WriteLine("Exception Thrown.");
            }
        }
    }
}
Option Explicit On 
Option Strict On

Imports System


Namespace ArrayTypeMismatch

   Class Class1

      Public Shared Sub Main(ByVal args() As String)
         
         Dim names As String() = {"Dog", "Cat", "Fish"}
         Dim objs As System.Object() = CType(names, System.Object())

         Try
            objs(2) = "Mouse"

            Dim animalName As Object
            For Each animalName In objs
               System.Console.WriteLine(animalName)
            Next animalName
         Catch exp As System.ArrayTypeMismatchException
            ' Not reached, "Mouse" is of the correct type.
            System.Console.WriteLine("Exception Thrown.")
         End Try

         Try
            Dim obj As System.Object
            obj = CType(13, System.Object)
            objs(2) = obj
         Catch exp As System.ArrayTypeMismatchException
            ' Always reached, 13 is not a string.
            System.Console.WriteLine("New element is not of the correct type.")
         End Try

         ' Set objs to an array of objects instead of an array of strings.
         Dim objs2(3) As System.Object
         Try
            objs2(0) = "Turtle"
            objs2(1) = 12
            objs2(2) = 2.341

            Dim element As Object
            For Each element In objs2
               System.Console.WriteLine(element)
            Next element
         Catch exp As System.ArrayTypeMismatchException
            ' ArrayTypeMismatchException is not thrown this time.
            System.Console.WriteLine("Exception Thrown.")
         End Try
         
      End Sub
   End Class
End Namespace

注解

ArrayTypeMismatchException 系统无法将元素转换为数组声明的类型时引发。ArrayTypeMismatchException is thrown when the system cannot convert the element to the type declared for the array. 例如,类型的元素String不能存储在Int32数组因为不支持这些类型之间的转换。For example, an element of type String cannot be stored in an Int32 array because conversion between these types is not supported. 它是为应用程序引发此异常通常没有必要。It is generally unnecessary for applications to throw this exception.

以下 Microsoft 中间语言 (MSIL) 指令引发ArrayTypeMismatchException:The following Microsoft intermediate language (MSIL) instructions throw ArrayTypeMismatchException :

  • ldelem.<type>ldelem.<type>

  • ldelemaldelema

  • stelem.<type>stelem.<type>

ArrayTypeMismatchException 使用 HRESULT COR_E_ARRAYTYPEMISMATCH,其值 0x80131503。ArrayTypeMismatchException uses the HRESULT COR_E_ARRAYTYPEMISMATCH, which has the value 0x80131503.

有关实例的初始属性值的列表ArrayTypeMismatchException,请参阅ArrayTypeMismatchException构造函数。For a list of initial property values for an instance of ArrayTypeMismatchException, see the ArrayTypeMismatchException constructors.

构造函数

ArrayTypeMismatchException() ArrayTypeMismatchException() ArrayTypeMismatchException() ArrayTypeMismatchException()

初始化 ArrayTypeMismatchException 类的新实例。Initializes a new instance of the ArrayTypeMismatchException class.

ArrayTypeMismatchException(SerializationInfo, StreamingContext) ArrayTypeMismatchException(SerializationInfo, StreamingContext) ArrayTypeMismatchException(SerializationInfo, StreamingContext) ArrayTypeMismatchException(SerializationInfo, StreamingContext)

用序列化数据初始化 ArrayTypeMismatchException 类的新实例。Initializes a new instance of the ArrayTypeMismatchException class with serialized data.

ArrayTypeMismatchException(String) ArrayTypeMismatchException(String) ArrayTypeMismatchException(String) ArrayTypeMismatchException(String)

用指定的错误消息初始化 ArrayTypeMismatchException 类的新实例。Initializes a new instance of the ArrayTypeMismatchException class with a specified error message.

ArrayTypeMismatchException(String, Exception) ArrayTypeMismatchException(String, Exception) ArrayTypeMismatchException(String, Exception) ArrayTypeMismatchException(String, Exception)

使用指定的错误消息和对作为此异常原因的内部异常的引用来初始化 ArrayTypeMismatchException 类的新实例。Initializes a new instance of the ArrayTypeMismatchException class with a specified error message and a reference to the inner exception that is the cause of this exception.

属性

Data Data Data Data

获取提供有关异常的其他用户定义信息的键/值对集合。Gets a collection of key/value pairs that provide additional user-defined information about the exception.

(Inherited from Exception)
HelpLink HelpLink HelpLink HelpLink

获取或设置指向与此异常关联的帮助文件链接。Gets or sets a link to the help file associated with this exception.

(Inherited from Exception)
HResult HResult HResult HResult

获取或设置 HRESULT(一个分配给特定异常的编码数字值)。Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.

(Inherited from Exception)
InnerException InnerException InnerException InnerException

获取导致当前异常的 Exception 实例。Gets the Exception instance that caused the current exception.

(Inherited from Exception)
Message Message Message Message

获取描述当前异常的消息。Gets a message that describes the current exception.

(Inherited from Exception)
Source Source Source Source

获取或设置导致错误的应用程序或对象的名称。Gets or sets the name of the application or the object that causes the error.

(Inherited from Exception)
StackTrace StackTrace StackTrace StackTrace

获取调用堆栈上的即时框架字符串表示形式。Gets a string representation of the immediate frames on the call stack.

(Inherited from Exception)
TargetSite TargetSite TargetSite TargetSite

获取引发当前异常的方法。Gets the method that throws the current exception.

(Inherited from Exception)

方法

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

确定指定的对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetBaseException() GetBaseException() GetBaseException() GetBaseException()

当在派生类中重写时,返回 Exception,它是一个或多个并发的异常的根源。When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.

(Inherited from Exception)
GetHashCode() GetHashCode() GetHashCode() GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(Inherited from Object)
GetObjectData(SerializationInfo, StreamingContext) GetObjectData(SerializationInfo, StreamingContext) GetObjectData(SerializationInfo, StreamingContext) GetObjectData(SerializationInfo, StreamingContext)

当在派生类中重写时,用关于异常的信息设置 SerializationInfoWhen overridden in a derived class, sets the SerializationInfo with information about the exception.

(Inherited from Exception)
GetType() GetType() GetType() GetType()

获取当前实例的运行时类型。Gets the runtime type of the current instance.

(Inherited from Exception)
MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(Inherited from Object)
ToString() ToString() ToString() ToString()

创建并返回当前异常的字符串表示形式。Creates and returns a string representation of the current exception.

(Inherited from Exception)

事件

SerializeObjectState SerializeObjectState SerializeObjectState SerializeObjectState

当异常被序列化用来创建包含有关该异常的徐列出数据的异常状态对象时会出现该问题。Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

(Inherited from Exception)

适用于

另请参阅