ArrayTypeMismatchException Class
The exception that is thrown when an attempt is made to store an element of the wrong type within an array.
Assembly: mscorlib (in mscorlib.dll)
ArrayTypeMismatchException is thrown when the system cannot convert the element to the type declared for the array. For example, an element of type String cannot be stored in an Int32 array because conversion between these types is not supported. It is generally unnecessary for applications to throw this exception.
The following Microsoft intermediate language (MSIL) instructions throw ArrayTypeMismatchException :
ldelem.<type>
ldelema
stelem.<type>
ArrayTypeMismatchException uses the HRESULT COR_E_ARRAYTYPEMISMATCH, which has the value 0x80131503.
For a list of initial property values for an instance of ArrayTypeMismatchException, see the ArrayTypeMismatchException constructors.
The following code example demonstrates scenarios where ArrayTypeMismatchException is 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
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.