ObjectDisposedException Class
.NET Framework 3.0
The exception that is thrown when an operation is performed on a disposed object.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
[SerializableAttribute] [ComVisibleAttribute(true)] public ref class ObjectDisposedException : public InvalidOperationException
/** @attribute SerializableAttribute() */ /** @attribute ComVisibleAttribute(true) */ public class ObjectDisposedException extends InvalidOperationException
SerializableAttribute ComVisibleAttribute(true) public class ObjectDisposedException extends InvalidOperationException
Not applicable.
The following example demonstrates an error that causes the ObjectDisposedException exception to be thrown.
using namespace System; using namespace System::IO; int main() { MemoryStream^ ms = gcnew MemoryStream( 16 ); ms->Close(); try { ms->ReadByte(); } catch ( ObjectDisposedException^ e ) { Console::WriteLine( "Caught: {0}", e->Message ); } }
import System.*;
import System.IO.*;
public class ObjectDisposedExceptionTest
{
public static void main(String[] args)
{
MemoryStream ms = new MemoryStream(16);
ms.Close();
try {
ms.ReadByte();
}
catch (ObjectDisposedException e) {
Console.WriteLine("Caught: {0}", e.get_Message());
}
} //main
} //ObjectDisposedExceptionTest
This code produces the following output:
Caught: Cannot access a closed Stream.
System.Object
System.Exception
System.SystemException
System.InvalidOperationException
System.ObjectDisposedException
System.Exception
System.SystemException
System.InvalidOperationException
System.ObjectDisposedException
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.Community Additions
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