ArrayTypeMismatchException 類別
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
嘗試在陣列中儲存錯誤類型的項目時,所擲回的例外狀況。
public ref class ArrayTypeMismatchException : Exception
public ref class ArrayTypeMismatchException : SystemException
public class ArrayTypeMismatchException : Exception
public class ArrayTypeMismatchException : SystemException
[System.Serializable]
public class ArrayTypeMismatchException : SystemException
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class ArrayTypeMismatchException : SystemException
type ArrayTypeMismatchException = class
inherit Exception
type ArrayTypeMismatchException = class
inherit SystemException
[<System.Serializable>]
type ArrayTypeMismatchException = class
inherit SystemException
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type ArrayTypeMismatchException = class
inherit SystemException
Public Class ArrayTypeMismatchException
Inherits Exception
Public Class ArrayTypeMismatchException
Inherits SystemException
- 繼承
- 繼承
- 屬性
範例
下列程式碼範例示範擲回的 ArrayTypeMismatchException 案例。
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.");
}
}
}
}
open System
[<EntryPoint>]
let main _ =
let names = [| "Dog"; "Cat"; "Fish" |]
let objs = box names :?> obj[]
try
objs[2] <- "Mouse"
for animalName in objs do
printfn $"{animalName}"
with :? ArrayTypeMismatchException ->
// Not reached; "Mouse" is of the correct type.
printfn "Exception Thrown."
try
let obj = 13 :> obj
objs[2] <- obj
with :? ArrayTypeMismatchException ->
// Always reached, 13 is not a string.
printfn "New element is not of the correct type."
// Shadow objs as an array of objects instead of an array of strings.
let objs: obj[] = [| "Turtle"; 12; 2.341 |]
try
for element in objs do
printfn $"{element}"
with :? ArrayTypeMismatchException ->
// ArrayTypeMismatchException is not thrown this time.
printfn "Exception Thrown."
0
Option Explicit On
Option Strict On
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
備註
ArrayTypeMismatchException 當系統無法將專案轉換成為陣列宣告的類型時,就會擲回 。 例如,型 String 別的元素無法儲存在陣列中 Int32 ,因為不支援這些類型之間的轉換。 應用程式通常不需要擲回此例外狀況。
下列 Microsoft 中繼語言 (MSIL) 指示擲回 ArrayTypeMismatchException :
ldelem.<type>
ldelema
stelem.<type>
ArrayTypeMismatchException 會使用 HRESULT COR_E_ARRAYTYPEMISMATCH,其值為 0x80131503。
如需執行個體的初始屬性值的清單ArrayTypeMismatchException,請參閱ArrayTypeMismatchException建構函式。
建構函式
ArrayTypeMismatchException() |
初始化 ArrayTypeMismatchException 類別的新執行個體。 |
ArrayTypeMismatchException(SerializationInfo, StreamingContext) |
使用序列化資料,初始化 ArrayTypeMismatchException 類別的新執行個體。 |
ArrayTypeMismatchException(String) |
使用指定的錯誤訊息,初始化 ArrayTypeMismatchException 類別的新執行個體。 |
ArrayTypeMismatchException(String, Exception) |
使用指定的錯誤訊息以及造成此例外狀況的內部例外狀況的參考,初始化 ArrayTypeMismatchException 類別的新執行個體。 |
屬性
Data |
取得鍵值組的集合,這些鍵值組會提供關於例外狀況的其他使用者定義資訊。 (繼承來源 Exception) |
HelpLink |
取得或設定與這個例外狀況相關聯的說明檔連結。 (繼承來源 Exception) |
HResult |
取得或設定 HRESULT,它是指派給特定例外狀況的編碼數值。 (繼承來源 Exception) |
InnerException |
取得造成目前例外狀況的 Exception 執行個體。 (繼承來源 Exception) |
Message |
取得描述目前例外狀況的訊息。 (繼承來源 Exception) |
Source |
取得或設定造成錯誤的應用程式或物件的名稱。 (繼承來源 Exception) |
StackTrace |
取得呼叫堆疊上即時運算框架的字串表示。 (繼承來源 Exception) |
TargetSite |
取得擲回目前例外狀況的方法。 (繼承來源 Exception) |
方法
Equals(Object) |
判斷指定的物件是否等於目前的物件。 (繼承來源 Object) |
GetBaseException() |
在衍生類別中覆寫時,傳回一或多個後續的例外狀況的根本原因 Exception。 (繼承來源 Exception) |
GetHashCode() |
做為預設雜湊函式。 (繼承來源 Object) |
GetObjectData(SerializationInfo, StreamingContext) |
在衍生類別中覆寫時,使用例外狀況的資訊設定 SerializationInfo。 (繼承來源 Exception) |
GetType() |
取得目前執行個體的執行階段類型。 (繼承來源 Exception) |
MemberwiseClone() |
建立目前 Object 的淺層複製。 (繼承來源 Object) |
ToString() |
建立並傳回目前例外狀況的字串表示。 (繼承來源 Exception) |
事件
SerializeObjectState |
已過時。
當例外狀況序列化,以建立包含例外狀況相關序列化資料的例外狀況狀態物件時,就會發生此事件。 (繼承來源 Exception) |