89 lines
4.7 KiB
HTML
89 lines
4.7 KiB
HTML
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<title>cwbOBJ_GetParameter</title>
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</head>
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<body id="cwbobj_getparameter"><a name="cwbobj_getparameter"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1"><span class="apiname">cwbOBJ_GetParameter</span></h1>
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<div><div class="section"><h4 class="sectiontitle">Purpose</h4><p>Gets the value of a parameter in a parameter
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list object.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Syntax</h4><pre>
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unsigned int CWB_ENTRY cwbOBJ_GetParameter(
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cwbOBJ_ParmHandle parmListHandle,
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cwbOBJ_KeyID key,
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void *buffer,
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unsigned long bufLen,
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unsigned long *bytesNeeded,
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cwbOBJ_DataType *keyType,
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cwbSV_ErrHandle errorHandle);</pre>
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</div>
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<div class="section"><h4 class="sectiontitle">Parameters</h4><dl><dt class="dlterm">cwbOBJ_ParmHandle parmListHandle - input</dt>
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<dd>Handle of the parameter object.</dd>
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<dt class="dlterm">cwbOBJ_KeyID key - input</dt>
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<dd>The id of the parameter to set.</dd>
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<dt class="dlterm">void *buffer - output</dt>
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<dd>The buffer that will hold the attribute value. If this call returns successfully.
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The value of the key determines what type of data will be put into pBuffer.
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The type is also returned to the *keyType parameter, if provided.</dd>
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<dt class="dlterm">unsigned long bufLen - input</dt>
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<dd>The length of the buffer pointed to by buffer.</dd>
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<dt class="dlterm">unsigned long *bytesNeeded - output</dt>
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<dd>On output, this will be the number of bytes needed to hold result.</dd>
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<dt class="dlterm">cwbOBJ_DataType *keyType - output</dt>
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<dd>Optional, may be NULL. On output this will contain the type of data used
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to represent this attribute and what is stored at *buffer.</dd>
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<dt class="dlterm">cwbSV_ErrHandle errorHandle - output</dt>
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<dd>Optional, may be 0. Any returned messages will be written to this object.
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It is created with the <span class="apiname">cwbSV_CreateErrHandle()</span> API. The
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messages may be retrieved through the <span class="apiname">cwbSV_GetErrText()</span> API.
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If the parameter is set to zero, no messages will be retrievable.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Return Codes</h4><p>The following list shows common return
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values.</p>
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<dl><dt class="dlterm">CWB_OK</dt>
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<dd>Successful completion.</dd>
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<dt class="dlterm">CWB_NOT_ENOUGH_MEMORY</dt>
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<dd>Insufficient memory.</dd>
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<dt class="dlterm">CWB_INVALID_HANDLE</dt>
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<dd>Handle is not an allocated object handle.</dd>
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<dt class="dlterm">CWB_BUFFER_OVERFLOW</dt>
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<dd>Buffer too small.</dd>
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<dt class="dlterm">CWBOBJ_RC_KEY_NOT_FOUND</dt>
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<dd>Key isn't specified in parameter list.</dd>
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<dt class="dlterm">CWB_API_ERROR</dt>
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<dd>General API failure.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Usage</h4><p>None</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaikobjapilist3.htm" title="The following iSeries Access for Windows APIs pertain to Parameter objects. The APIs are listed alphabetically.">Parameter object APIs for iSeries Access for Windows</a></div>
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</body>
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