IOException Class

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

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Methods

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

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Fields

	Name	Description
	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