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<h1 class="topictitle1">cwbSV_CreateMessageTextHandle</h1>
<div><div class="section"><h4 class="sectiontitle">Purpose</h4>
<p>This function creates a message text object and returns a handle to it.
This message handle can be used in your program to write message text to the
currently active history log. The message text is supplied in a buffer passed
on the cwbSV_LogMessageText() call.</p>
</div>
<div class="section"><h4 class="sectiontitle">Syntax</h4>
<pre>
unsigned int CWB_ENTRY cwbSV_CreateMessageTextHandle(
char *productID,
char *componentID,
cwbSV_MessageTextHandle *messageTextHandle);</pre>
</div>
<div class="section"><h4 class="sectiontitle">Parameters</h4>
<dl><dt class="dlterm">char * productID - input</dt>
<dd>Points to a null-terminated string that contains a product identifier
to be used on this message entry. Parameter is optional, if null, no productID
is set. NOTE: A maximum of CWBSV_MAX_PRODUCT_ID characters will be logged
for the product ID. Larger strings will be truncated.</dd>
<dt class="dlterm">char * componentID - input</dt>
<dd>Points to a null-terminated string that contains a component identifier
to be used on this message entry. Parameter is optional, if null, no componentID
is set. NOTE: A maximum of CWBSV_MAX_COMP_ID characters will be logged for
the component ID. Larger strings will be truncated.</dd>
<dt class="dlterm">cwbSV_MessageTextHandle * messageTextHandle - input/output</dt>
<dd>Pointer to a cwbSV_MessageTextHandle where the handle will be returned.
This handle should be used in subsequent calls to the message text functions.</dd>
</dl>
</div>
<div class="section"><h4 class="sectiontitle">Return Codes</h4>
<p>The following list shows common return values.</p>
<dl><dt class="dlterm">CWB_OK</dt>
<dd>Successful completion.</dd>
<dt class="dlterm">CWB_INVALID_POINTER</dt>
<dd>NULL passed on output parameter.</dd>
<dt class="dlterm">CWB_NOT_ENOUGH_MEMORY</dt>
<dd>Insufficient memory to create handle.</dd>
</dl>
</div>
<div class="section"><h4 class="sectiontitle">Usage</h4>
<p>It is recommended that you set a unique product ID and component ID in
the message handle before using it to log message text. These ID's will distinguish
your messages from other messages in the history log.</p>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaiksvcapilist1.htm" title="Use these APIs to write message text to a history log">Serviceability APIs list: Writing to history log</a></div>
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