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7<title>Read</title>
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9  <body>
10<h1><CODE><a href="../../../../nn/Overview.html">nn</a>::<a href="../../../../nn/hid/Overview.html">hid</a>::<a href="../../../../nn/hid/CTR/Overview.html">CTR</a>::<a href="../../../../nn/hid/CTR/TouchPanelReader/Overview.html">TouchPanelReader</a>::Read</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14void Read(
15     <a href="../../../../nn/hid/CTR/TouchPanelStatus/Overview.html">TouchPanelStatus</a> * pBufs,
16     <a href="../../../../nn_types/s32.html">s32</a> * pReadLen,
17     <a href="../../../../nn_types/s32.html">s32</a> bufLen
18);
19</pre>
20    </div>
21<h2>Parameters</h2>
22    <div class="section">
23      <table class="arguments">
24        <thead>
25          <tr>
26            <td width="15" />
27<th>Name</th>
28<td>Description</td>
29          </tr>
30        </thead>
31        <tr>
32<td>out</td>
33<th>pBufs</th>
34<td>Receives sampling data, starting with the newest data.</td>
35        </tr>
36        <tr>
37<td>out</td>
38<th>pReadLen</th>
39<td>Number of data samples that were read.</td>
40        </tr>
41        <tr>
42<td>in</td>
43<th>bufLen</th>
44<td>Specifies the number of data samples to read into <SPAN class="argument">pBufs</SPAN>.</td>
45        </tr> </table>
46    </div>
47<h2>Return Values</h2>
48    <div class="section">
49None.
50               </div>
51<h2>Description</h2>
52    <div class="section">
53<p>Reads sampling data from the Touch Screen, starting with the latest samples. Any previously loaded data is not read.</p><p>
54The maximum number of data samples that can be loaded is the seven most recent instances (<CODE>MAX_READ_NUM</CODE>).
55            </p></div>
56<h2>Revision History</h2>
57    <div class="section">
58      <dl class="history">
59        <dt>2011/02/18</dt>
60<dd>Added information about the maximum number of data samples.<br />
61        </dd>
62        <dt>2010/01/07</dt>
63<dd>Initial version.<br />
64        </dd>
65      </dl>
66    </div>
67  <hr><p>CONFIDENTIAL</p></body>
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69