ucError

See Also: ucErrorMessage, Error Handling

Returns the error number of the most recent transaction.

ucError([tHandle])

Parameters

tHandle

Optional. Each thread has its own definitions, and keeps separate track of its errors. By specifying this argument, you can select which thread to check for an error. If no thread is specified, the default thread is implied. If you are calling ucError from a centralized error handler, then you should not omit the tHandle argument.

Remarks

• Although you have the option of checking for errors with ucError after calls to various uCalc routines, it is more efficient, and easier to set up a centralized error handling callback routine, which will handle errors wherever they may occur, instead of peppering ucError throughout your code.
• You should generally always use uCalc error constants, instead of literal numeric values when checking the value of ucError. For instance:

If ucError = 2 Then ... ' This line is NOT recommended.

If ucError = uc_Err_Syntax_Error Then ... ' Do it like this instead.