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7    <title>CreateMessageBox</title>
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10    <h1><CODE>nn::cec::CTR::MessageBox::CreateMessageBox</CODE> Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14<a href="../../../../nn/Result/Overview.html">nn::Result</a> CreateMessageBox(
15     const <a href="../../../../nn/cec/CTR/TitleId.html">TitleId</a> cecTitleId,
16     const u32 privateId,
17     const char * hmacKey,
18     size_t inboxSizeMax = CEC_INBOX_SIZE_DEFAULT,
19     size_t outboxSizeMax = CEC_OUTBOX_SIZE_DEFAULT,
20     size_t inboxMessNumMax = CEC_INBOX_MESSNUM_DEFAULT,
21     size_t outboxMessNumMax = CEC_OUTBOX_MESSNUM_DEFAULT,
22     size_t messageSizeMax = CEC_MESSSIZEMAX_DEFAULT
23);
24</pre>
25    </div>
26    <h2>Arguments</h2>
27    <div class="section">
28      <table class="arguments">
29        <thead>
30          <tr>
31            <td width="15" />
32            <th>Name</th>
33            <td>Description</td>
34          </tr>
35        </thead>
36        <tr>
37          <td>in</td>
38          <th>cecTitleId</th>
39          <td>Unique title ID.</td>
40        </tr>
41        <tr>
42          <td>in</td>
43          <th>privateId</th>
44          <td>The key needed to open a message box.→ <a href="../../../../nn/cec/CTR/MessageBox/OpenMessageBox.html"><CODE>OpenMessageBox</CODE></a><br />The value used must be stored by the application accessing the message box.</td>
45        </tr>
46        <tr>
47          <td>in</td>
48          <th>hmacKey</th>
49          <td>Specifies the key needed to read a <a href="../../../../nn/cec/CTR/Message/Overview.html">Message</a>. Specify a string of 32 characters.</cf> This must be a key shared with the communication partner.<br /> This value is used to check if the transmitted data has been tampered with. Transmitted data is signed with a signature generated using this key. Use a value stored by the application.</td>
50        </tr>
51        <tr>
52          <td>in</td>
53          <th>inboxSizeMax</th>
54          <td>Specifies the maximum amount of data that can be saved in the inbox. The combined size of the inbox and outbox must be no more than 1 MB. The default size is 512 * 1024 bytes.</td>
55        </tr>
56        <tr>
57          <td>in</td>
58          <th>outboxSizeMax</th>
59          <td>Specifies the maximum amount of data that can be saved in the outbox. The combined size of the inbox and outbox must be no more than 1 MB. The default size is 512 * 1024 bytes.</td>
60        </tr>
61        <tr>
62          <td>in</td>
63          <th>inboxMessNumMax</th>
64          <td>Specifies the maximum number of messages that can be saved in the inbox. The default is 99, and this is the maximum specifiable value.</td>
65        </tr>
66        <tr>
67          <td>in</td>
68          <th>outboxMessNumMax</th>
69          <td>Specifies the maximum number of messages that can be saved in the outbox. The default is 99, and this is the maximum specifiable value.</td>
70        </tr>
71        <tr>
72          <td>in</td>
73          <th>messageSizeMax</th>
74          <td>Specifies the maximum size of a message. Messages that exceed this size cannot be saved. Attempting to do so causes an error when calling <CODE>WriteMessage</CODE>.</td>
75        </tr> </table>
76    </div>
77    <h2>Return Values</h2>
78    <div class="section"><a href="../../../../nn/Result/Overview.html"><CODE>nn::Result</CODE></a> </div>
79    <h2>Description</h2>
80    <div class="section">
81      <p>Creates a <CODE>MessageBox</CODE>. An inbox and outbox are created within the message box.</p><p>(In the final version, icons and application names must be set. This format is maintained for compatibility with previous versions.)</p><!-- write here --></div>
82    <h2>Revision History</h2>
83    <div class="section">
84      <dl class="history">
85        <dt>2010/08/16</dt>
86        <dd>Initial version.<br />
87        </dd>
88      </dl>
89    </div>
90  <hr><p>CONFIDENTIAL</p></body>
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