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InternalBufferOverflowException Class

The exception thrown when the internal buffer overflows.

Namespace:  System.IO
Assembly:  System (in System.dll)

[SerializableAttribute]
public ref class InternalBufferOverflowException : public SystemException

In a FileSystemWatcher, when you are notified of file changes, the system stores those changes in a buffer the component creates and passes to the Application Programming Interfaces (APIs). If there are many changes in a short time, the buffer can easily overflow, resulting in an exception being thrown, which essentially loses all changes. To keep the buffer from overflowing, use the FileSystemWatcher::NotifyFilter and FileSystemWatcher::IncludeSubdirectories properties to filter out your unwanted change notifications. You can also increase the size of the internal buffer through the FileSystemWatcher::InternalBufferSize property. However, increasing the size of the buffer is expensive, so keep the buffer as small as possible.

The following example shows how to create a FileSystemWatcher to monitor file changes (creates, deletes, renames, changes) occurring on a disk drive. The example also shows how to properly receive error notifications.

No code example is currently available or this language may not be supported.

System::Object
  System::Exception
    System::SystemException
      System.IO::InternalBufferOverflowException

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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