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# Error-Handling Functions

Use the following statements and functions to define the way LibreOffice Basic reacts to run-time errors.

LibreOffice Basic offers several methods to prevent the termination of a program when a run-time error occurs.

## CVErr Function

將字串型表示式或數值型表示式轉換為「錯誤」子類型的變體型表示式。

## Erl Function

傳回程式執行期間出現錯誤的行號。

## Err Function

傳回一個錯誤代碼，用於識別程式執行程序中出現的錯誤。

## Err Object [VBA]

Use VBA Err object to raise or handle runtime errors.

## IsError Function

測試變數是否包含錯誤值。

## Error Function

Returns the error message that corresponds to a value or raises a given error context.

## On Error GoTo ... Resume Statement

發生錯誤時啟動錯誤處理常式，或恢復程式執行。

## Resume Statement

Resets error information and indicates what to execute next.

## ScriptForge.Exception service

The Exception service is a collection of methods to assist in code debugging in Basic and Python scripts and in error handling in Basic scripts.

In Basic scripts, when a run-time error occurs, the methods and properties of the Exception service help identify the error context and allow to handle it.