SystemException Class

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Defines the base class for predefined exceptions in the System namespace.

Inheritance Hierarchy

System.Object
  System.Exception
    System.SystemException
      More...

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

Syntax

'Declaration
<ComVisibleAttribute(True)> _
Public Class SystemException _
    Inherits Exception

[ComVisibleAttribute(true)]
public class SystemException : Exception

The SystemException type exposes the following members.

Constructors

	Name	Description
	SystemException()	Initializes a new instance of the SystemException class.
	SystemException(String)	Initializes a new instance of the SystemException class with a specified error message.
	SystemException(String, Exception)	Initializes a new instance of the SystemException class with a specified error message and a reference to the inner exception that is the cause of this exception.

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Properties

	Name	Description
	Data	Gets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
	HResult	Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
	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 frames on the call stack at the time the current exception was thrown. (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 the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetBaseException	When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the runtime type of the current instance. (Inherited from Exception.)
	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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Remarks

This class is provided as a means to differentiate between exceptions defined by the system versus exceptions defined by applications.

SystemException does not provide information as to the cause of the Exception. In most scenarios, instances of this class should not be thrown. In cases where this class is instantiated, a human-readable message describing the error should be passed to the constructor.

SystemException is thrown by the common language runtime when errors occur that are nonfatal and recoverable by user programs. These errors result from failed runtime check (such as an array out-of-bound error), and can occur during the execution of any method. SystemException adds no new functionality to Exception.

SystemException uses the HRESULT COR_E_SYSTEM, that has the value 0x80131501.

For a list of initial property values for an instance of SystemException, see the SystemException constructors.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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 Namespace

Exception

Other Resources

Handling and Throwing Exceptions

Inheritance Hierarchy

System.Object
  System.Exception
    System.SystemException
      System.AccessViolationException
      System.AppDomainUnloadedException
      System.ArgumentException
      System.ArithmeticException
      System.ArrayTypeMismatchException
      System.BadImageFormatException
      System.CannotUnloadAppDomainException
      System.Collections.Generic.KeyNotFoundException
      System.ContextMarshalException
      System.DataMisalignedException
      System.ExecutionEngineException
      System.FormatException
      System.IndexOutOfRangeException
      System.InvalidCastException
      System.InvalidOperationException
      System.InvalidProgramException
      System.IO.IOException
      System.MemberAccessException
      System.MulticastNotSupportedException
      System.NotImplementedException
      System.NotSupportedException
      System.NullReferenceException
      System.OperationCanceledException
      System.OutOfMemoryException
      System.RankException
      System.Reflection.AmbiguousMatchException
      System.Reflection.ReflectionTypeLoadException
      System.Resources.MissingManifestResourceException
      System.Runtime.InteropServices.ExternalException
      System.Runtime.InteropServices.MarshalDirectiveException
      System.Runtime.Serialization.SerializationException
      System.Security.Cryptography.CryptographicException
      System.Security.SecurityException
      System.Security.VerificationException
      System.ServiceModel.CommunicationException
      System.ServiceModel.InvalidMessageContractException
      System.ServiceModel.QuotaExceededException
      System.StackOverflowException
      System.Threading.SynchronizationLockException
      System.Threading.ThreadAbortException
      System.Threading.ThreadStartException
      System.Threading.ThreadStateException
      System.TimeoutException
      System.TypeInitializationException
      System.TypeLoadException
      System.UnauthorizedAccessException
      System.Windows.Markup.XamlParseException
      System.Xml.XmlException
      System.Xml.XPath.XPathException