<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="../../../style.css">
<title>
Gambas Documentation - Error Management
</title>
</head>
<table class="none" width="100%" cellpadding="0" cellspacing="0" border="0">
<tr><td align="left">
<font size="-1">
<a href="../../../help+en"><img class="flag" alt="Home" border="0" src="../../../img/lang/en.png" align="center"></a>&nbsp;
<a href="../cat+en">Up</a>&nbsp;
<a href="enum+en">Previous</a>&nbsp;
<a href="event+en">Next</a>&nbsp;
</td></tr></table>
<div class="notab">
<h1>
Error Management
</h1>
<table class="table" border="0" bordercolor="#000000" cellpadding="4" cellspacing="0">
<tr class="dark"><td valign="top">
<tt><a href="../name/gb_err_arg+en">GB_ERR_ARG</a></tt>
</td><td valign="top">
Bad argument error
</td></tr>
<tr><td valign="top">
<tt><a href="../name/gb.error+en">GB.Error</a></tt>
</td><td valign="top">
Signals an error.
</td></tr>
<tr class="dark"><td valign="top">
<tt><a href="../name/gb.propagate+en">GB.Propagate</a></tt>
</td><td valign="top">
Propagates an error.
</td></tr>
<tr><td valign="top">
<tt><a href="../name/gb_err_type+en">GB_ERR_TYPE</a></tt>
</td><td valign="top">
Type mismatch error
</td></tr>
</table>
<p>
<h2>Overview</h2>
<p>
When you have to abort a native method or property, and raise an error,
just call the <tt><a href="../name/gb.error+en">GB.Error</a></tt> function. But be careful! You must then return
manually from the function.
<p>
There are some predefined error constants: <tt><a href="../name/gb_err_arg+en">GB_ERR_ARG</a></tt> and <tt><a href="../name/gb_err_type+en">GB_ERR_TYPE</a></tt>.

</div>
</body>
</html>

