Section A.10. Error Handling


A.10. Error Handling

Element

Description

Erl Property

Indicates the line number at which an error occurred

Err Object

Encapsulates an error

Err.Clear Method

Clears the Err object

Err.Description Property

Provides a textual description of an error

Err.GetException Method

Returns the Exception object associated with the current error

Err.HelpContext Property

Returns or sets the help file ID for the current error

Err.HelpFile Property

Returns or sets the name and path of the help file containing information about the current error

Err.LastDLLError Property

Returns the error number from an error raised by a system API DLL

Err.Number Property

Returns or sets the current error code

Err.Raise Method

Generates a user-defined error

Err.Source Property

Returns or sets the source of an error

Error Statement

Raises an error

ErrorToString Function

Returns the descriptive error message corresponding to a particular error code

Exception Class

Base class for all exceptions

IsError Function

Determines whether an object is an exception type

On Error Statement

Enables or disables an error handler

Resume Statement

Transfers control from an error handler

Throw Statement

Throws an exception

Try...Catch...Finally Statement

Handles particular errors that may occur in a block of code through structured exception handling





Visual Basic 2005(c) In a Nutshell
Visual Basic 2005 in a Nutshell (In a Nutshell (OReilly))
ISBN: 059610152X
EAN: 2147483647
Year: 2004
Pages: 712

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