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.

Caution: The values of ExceptionInfo are valid during the entire process code of exception.

Versions 15 and later

This function is now available for Android applications.

This function is now available for PHP sites.

New in version 15

This function is now available for Android applications.

This function is now available for PHP sites.

This function is now available for Android applications.

This function is now available for PHP sites.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

This function is now available in Android widget mode.

This function is now available in Windows Store apps mode.

Versions 19 and later

This function is now available in Browser code.

New in version 19

This function is now available in Browser code.

Versions 21 and later

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

This function is now available in Apple Watch mode.

This function is now available in Universal Windows 10 App mode.

Example

// Initialization code of project
EXTERN "Except.WL"
// Load the constants for managing exceptions

PROCEDURE Value(sControlName)
WHEN EXCEPTION IN
RESULT(sControlName)
DO
IF ExceptionInfo(errCode) = UnknownExID THEN RESULT ""
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
errSystemCode Number of the system error (if it exists)
This constant is not available.
errFullDetails Full error details (error line, current process, etc.)
Remark: Returns the same information as the one retrieved when clicking the "Copy" button in the error window of WLanguage.
errDateTime Date and time of 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.
errInfo Additional information
This constant is not available.
errLink Name of link associated with the error
This constant is not available.
errLine Number of the error line
errMessage
(by default) Full error message
errSystemMessage Message of system error (if it exists)
This constant is not available.
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.
errFullComponentName Full name of component currently run.
For example:
"" (empty string): main application context
"Component1": "Component1" component directly used in the project
"Component1.Component2": "Component2" component used from "Component1".
This constant is ignored.
errRecNum Number of the record associated with the error
This constant is not available.
errDuring Name of the WLanguage function that threw the error
This constant is not available.
errStack Stack of WLanguage calls
This constant is not available.
errSummary Summary of error
errItem Name of the item associated with the error
This constant is not available.
errProcess Name of process in progress when the error occurred
This constant is not available.
errWDD Full name of the WDD file associated with the error
This constant is not available.
Versions 18 and later
errDotNetException
New in version 18
errDotNetException
errDotNetException .NET Exception object
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
errSystemCode Number of the system error (if it exists)
errFullDetails Full error details (error line, current process, etc.)
Remark: Returns the same information as the one retrieved when clicking the "Copy" button in the error window of WLanguage.
errDateTime Date and time of 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
errInfo Additional information
errLink Name of link associated with the error
errLine Number of the error line
errMessage
(by default) Full error message
errSystemMessage Message of system error (if it exists)
errMMO Full name of the memo file (.MMO) associated with the error
errNDX Full name of the index file (.NDX) associated with the error
errRecNum Number of the record associated with the error
errDuring Name of the WLanguage function that threw the error
errStack Stack of WLanguage calls
errSummary Summary of error
errItem Name of the item associated with the error
errProcess Name of process in progress when the error occurred
errWDD Full name of the WDD file associated with the error

<Sub-error subscript>: Integer

Subscript of sub-error to use.
Reminder: The number of sub-errors for an exception is returned by the errNumberSubError constant.

Component: wd270vm.dll