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<title>QOF: _QofParam struct Reference</title>
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<h1>_QofParam Struct Reference<br>
<small>
[<a class="el" href="group__Class.html">Class</a>]</small>
</h1><code>#include <qofclass.h></code>
<p>
<hr><a name="_details"></a><h2>Detailed Description</h2>
This structure is for each queriable parameter in an object<p>
-- param_name is the name of the parameter. -- param_type is the type of the parameter, which can be either another object (QofIdType) or it can be a core data type (QofType). -- param_getfcn is the function to actually obtain the parameter -- param_setfcn is the function to actually set the parameter -- param_userdata is a place where the user can place any desiered user-defined data (and thus can be used by the user-defined setter/getter).<p>
Either the getter or the setter may be NULL.<p>
XXX todo/fixme: need to define a destroy callback, so that when the param memory is freed, the callback can be used to release the user-defined data.
<p>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="o0" doxytag="_QofParam::param_name" ></a>
const char * </td><td class="memItemRight" valign=bottom><b>param_name</b></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="o1" doxytag="_QofParam::param_type" ></a>
<a class="el" href="group__Class.html#ga0">QofType</a> </td><td class="memItemRight" valign=bottom><b>param_type</b></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="o2" doxytag="_QofParam::param_getfcn" ></a>
<a class="el" href="group__Class.html#ga2">QofAccessFunc</a> </td><td class="memItemRight" valign=bottom><b>param_getfcn</b></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="o3" doxytag="_QofParam::param_setfcn" ></a>
<a class="el" href="group__Class.html#ga3">QofSetterFunc</a> </td><td class="memItemRight" valign=bottom><b>param_setfcn</b></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="o4" doxytag="_QofParam::param_userdata" ></a>
gpointer </td><td class="memItemRight" valign=bottom><b>param_userdata</b></td></tr>
</table>
<hr>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="qofclass_8h.html">qofclass.h</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Sun May 23 15:41:47 2004 for QOF by
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<img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.6-20040222 </small></address>
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