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IOException Class

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

The exception that is thrown when an I/O error occurs.

Inheritance Hierarchy

System. . :: . .Object
  System. . :: . .Exception
    System. . :: . .SystemException
      System.IO..::..IOException

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

Syntax

'Declaration
<SerializableAttribute> _
Public Class IOException _
    Inherits SystemException
[SerializableAttribute]
public class IOException : SystemException
[SerializableAttribute]
public ref class IOException : public SystemException
[<SerializableAttribute>]
type IOException =  
    class
        inherit SystemException
    end
public class IOException extends SystemException

The IOException type exposes the following members.

Constructors

  Name Description
Public method IOException() () () () Initializes a new instance of the IOException class with its message string set to the empty string (""), its HRESULT set to COR_E_IO, and its inner exception set to a null reference.
Public method IOException(String) Initializes a new instance of the IOException class with its message string set to message, its HRESULT set to COR_E_IO, and its inner exception set to nullNothingnullptrunita null reference (Nothing in Visual Basic).
Public method IOException(String, Exception) Initializes a new instance of the IOException class with a specified error message and a reference to the inner exception that is the cause of this exception.
Public method IOException(String, Int32) Initializes a new instance of the IOException class with its message string set to message and its HRESULT user-defined.

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Properties

  Name Description
Public property ErrorCode The error code associated with this IOException object.
Public property InnerException Gets the Exception instance that caused the current exception. (Inherited from Exception.)
Public property Message Gets a message that describes the current exception. (Inherited from Exception.)
Public property StackTrace Gets a string representation of the immediate frames on the call stack. (Inherited from Exception.)

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Methods

  Name Description
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method ToString Creates and returns a string representation of the current exception. (Inherited from Exception.)

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Fields

  Name Description
Protected field m_HResult (Inherited from Exception.)

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Remarks

IOException is the base class for exceptions thrown while accessing information using streams, files and directories.

Thread Safety

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

See Also

Reference

System.IO Namespace