ExceptionInfo (Function)

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ExceptionInfo (Function)

In french: ExceptionInfo

Retrieves information about the current exception.

This function can only be used in an exception process.

Warning The values of the ExceptionInfo are valid throughout the exception handling code.

Example

// Project initialization code
EXTERN "Except.WL"
// Load the constants for managing exceptions

PROCEDURE Value(sControlName)
WHEN EXCEPTION IN
	RESULT(sControlName)
DO
	IF ExceptionInfo(errCode) = UnknownExID THEN RETURN ""
END

WHEN EXCEPTION IN
 ...
DO
	// Full message of the main error
	Trace(ExceptionInfo())
	// Browse the sub-errors (if any)
	FOR i = 1 TO ErrorInfo(errNumberSubError)
		// Full message of each sub-error
		Trace("Sub-error " + i + ": " + ExceptionInfo(errMessage, i))
	END
END

Syntax

Finding out information about the last exception Hide the details

<Result> = ExceptionInfo([<Type of information>])

<Result>: Character string or integer

Requested information.
Empty string ("") if no error occurred or if the requested information is not available.

<Type of information>: Optional constant

Information to return.
errCode Error code
errDateTime Date and time of error

This constant is not available.
errDotNetException .NET Exception object
This constant is not available.
errDuring Name of the WLanguage function that threw the error
This constant is not available.
errElement Name of object associated with the current process when the error occurred

Java class associated with the error.
errFIC Full name of the data file (.FIC) associated with the error
This constant is not available.
errFile Logical name of the file associated with the error
This constant is not available.
errFullComponentName Full name of the component being executed.
For example:
"" (empty string): main context of the application
"Component1": "Component1" component used directly in the project
"Component1.Component2": "Component2" component used from "Component1".
This constant is ignored.
errFullDetails Full error details (error line, current process, etc.)
Note: Returns the same information as that retrieved by clicking on the "Copy" button in the WLanguage error window.
errInfo Additional information
This constant is not available.
errItem Name of the item associated with the error
This constant is not available.
errLine Number of the error line
errLink Name of the link associated with the error
This constant is not available.
errMessage
(by default) Full error message
errMMO Full name of the memo file (.MMO) associated with the error
This constant is not available.
errNDX Full name of the index file (.NDX) associated with the error
This constant is not available.
errNumberSubError Number of sub-errors for the error
This constant is not available.
errProcess Name of process in progress when the error occurred
This constant is not available.
errRecNum Number of the record associated with the error
This constant is not available.
errStack Stack of WLanguage calls
This constant is not available.
errSummary Summary of error
errSystemCode Number of the system error (if it exists)

This constant is not available.
errSystemMessage Message of system error (if it exists)
This constant is not available.
errWDD Full name of the WDD file associated with the error
This constant is not available.

Finding out information about the sub-errors of last exception Hide the details

<Result> = ExceptionInfo([<Type of information>, ] <Sub-error subscript>)

<Result>: Character string or integer

Requested information.
Empty string ("") if no error occurred or if the requested information is not available.

<Type of information>: Optional constant

Information to return.
errCode Error code
errDateTime Date and time of error
errDuring Name of the WLanguage function that threw the error
errElement Name of object associated with the current process when the error occurred
errFIC Full name of the data file (.FIC) associated with the error
errFile Logical name of the file associated with the error
errFullDetails Full error details (error line, current process, etc.)
Note: Returns the same information as that retrieved by clicking on the "Copy" button in the WLanguage error window.
errInfo Additional information
errItem Name of the item associated with the error
errLine Number of the error line
errLink Name of the link associated with the error
errMessage
(by default) Full error message
errMMO Full name of the memo file (.MMO) associated with the error
errNDX Full name of the index file (.NDX) associated with the error
errProcess Name of process in progress when the error occurred
errRecNum Number of the record associated with the error
errStack Stack of WLanguage calls
errSummary Summary of error
errSystemCode Number of the system error (if it exists)
errSystemMessage Message of system error (if it exists)
errWDD Full name of the WDD file associated with the error

<Sub-error subscript>: Integer

Index of sub-error to use.
Reminder: The number of sub-errors in an exception can be known using the constant errNombreSousErreur.

Component: wd300vm.dll