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   &#160;<span id="projectnumber">6.12.24</span>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>File stream class.  
 <a href="classCPGFFileStream.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>&gt;</code></p>
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Inheritance diagram for CPGFFileStream:</div>
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  <img src="classCPGFFileStream.png" usemap="#CPGFFileStream_map" alt=""/>
  <map id="CPGFFileStream_map" name="CPGFFileStream_map">
<area href="classCPGFStream.html" title="Abstract stream base class. " alt="CPGFStream" shape="rect" coords="0,0,106,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae505bb374fe13a0b9cdac3b71ae414e2"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#ae505bb374fe13a0b9cdac3b71ae414e2">CPGFFileStream</a> ()</td></tr>
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<tr class="memitem:ac429f9fa68a762203d727a6c0d586eec"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#ac429f9fa68a762203d727a6c0d586eec">CPGFFileStream</a> (HANDLE hFile)</td></tr>
<tr class="separator:ac429f9fa68a762203d727a6c0d586eec"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a94046c82916ffeb6aa868f27f25b1c37"><td class="memItemLeft" align="right" valign="top">HANDLE&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a94046c82916ffeb6aa868f27f25b1c37">GetHandle</a> ()</td></tr>
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<tr class="memitem:ac9da1053f6b3cb8f3e403060ff7a44ae"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#ac9da1053f6b3cb8f3e403060ff7a44ae">~CPGFFileStream</a> ()</td></tr>
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<tr class="memitem:a2492d2634f43a38fe1d1e925ff69487f"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a2492d2634f43a38fe1d1e925ff69487f">Write</a> (int *count, void *buffer) THROW_</td></tr>
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<tr class="memitem:a58911bea1d68ce0643597ec014d8d444"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a58911bea1d68ce0643597ec014d8d444">Read</a> (int *count, void *buffer) THROW_</td></tr>
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<tr class="memitem:a6c773ea022fbac4766debd1956e27744"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a6c773ea022fbac4766debd1956e27744">SetPos</a> (short posMode, INT64 posOff) THROW_</td></tr>
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<tr class="memitem:abac6335b6a635d7b96ec3dfea2178e12"><td class="memItemLeft" align="right" valign="top">virtual UINT64&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#abac6335b6a635d7b96ec3dfea2178e12">GetPos</a> () const THROW_</td></tr>
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<tr class="memitem:a999b6c0ebc670ea58f5e34729e7f323a"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">IsValid</a> () const</td></tr>
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Protected Attributes</h2></td></tr>
<tr class="memitem:a3e442cbf8c1a8f66d737c36ceb0c9f32"><td class="memItemLeft" align="right" valign="top">HANDLE&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a></td></tr>
<tr class="memdesc:a3e442cbf8c1a8f66d737c36ceb0c9f32"><td class="mdescLeft">&#160;</td><td class="mdescRight">file handle  <a href="#a3e442cbf8c1a8f66d737c36ceb0c9f32">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>File stream class. </p>
<p>A PGF stream subclass for external storage files. </p><dl class="section author"><dt>Author</dt><dd>C. Stamm </dd></dl>

<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00082">82</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae505bb374fe13a0b9cdac3b71ae414e2">&#9670;&nbsp;</a></span>CPGFFileStream() <span class="overload">[1/2]</span></h2>

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<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00087">87</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;: <a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>(0) {}</div><div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac429f9fa68a762203d727a6c0d586eec">&#9670;&nbsp;</a></span>CPGFFileStream() <span class="overload">[2/2]</span></h2>

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          <td>(</td>
          <td class="paramtype">HANDLE&#160;</td>
          <td class="paramname"><em>hFile</em></td><td>)</td>
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<p>Constructor </p><dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">hFile</td><td>File handle </td></tr>
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<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00090">90</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;: <a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>(hFile) {}</div><div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac9da1053f6b3cb8f3e403060ff7a44ae">&#9670;&nbsp;</a></span>~CPGFFileStream()</h2>

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<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00094">94</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;{ <a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a> = 0; }</div><div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a94046c82916ffeb6aa868f27f25b1c37">&#9670;&nbsp;</a></span>GetHandle()</h2>

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          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>File handle </dd></dl>

<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00092">92</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;{ <span class="keywordflow">return</span> <a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>; }</div><div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#abac6335b6a635d7b96ec3dfea2178e12">&#9670;&nbsp;</a></span>GetPos()</h2>

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          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<p>Get current stream position. </p><dl class="section return"><dt>Returns</dt><dd>Current stream position </dd></dl>

<p>Implements <a class="el" href="classCPGFStream.html#a841e109647ea77dd9e589ab00ef4aad8">CPGFStream</a>.</p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8cpp_source.html#l00064">64</a> of file <a class="el" href="PGFstream_8cpp_source.html">PGFstream.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                                           {</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        ASSERT(<a class="code" href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">IsValid</a>());</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        OSError err;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        UINT64 pos = 0;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keywordflow">if</span> ((err = GetFPos(<a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>, &amp;pos)) != NoError) ReturnWithError2(err, pos);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keywordflow">return</span> pos;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;}</div><div class="ttc" id="classCPGFFileStream_html_a999b6c0ebc670ea58f5e34729e7f323a"><div class="ttname"><a href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">CPGFFileStream::IsValid</a></div><div class="ttdeci">virtual bool IsValid() const</div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00099">PGFstream.h:99</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a999b6c0ebc670ea58f5e34729e7f323a">&#9670;&nbsp;</a></span>IsValid()</h2>

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<p>Check stream validity. </p><dl class="section return"><dt>Returns</dt><dd>True if stream and current position is valid </dd></dl>

<p>Implements <a class="el" href="classCPGFStream.html#abf99169c9bcf0feb57edc55cec215b95">CPGFStream</a>.</p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00099">99</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;{ <span class="keywordflow">return</span> <a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a> != 0; }</div><div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a58911bea1d68ce0643597ec014d8d444">&#9670;&nbsp;</a></span>Read()</h2>

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          <td class="memname">void CPGFFileStream::Read </td>
          <td>(</td>
          <td class="paramtype">int *&#160;</td>
          <td class="paramname"><em>count</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>buffer</em>&#160;</td>
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<p>Read some bytes from this stream and stores them into a buffer. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">count</td><td>A pointer to a value containing the number of bytes should be read. After this call it contains the number of read bytes. </td></tr>
    <tr><td class="paramname">buffer</td><td>A memory buffer </td></tr>
  </table>
  </dd>
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<p>Implements <a class="el" href="classCPGFStream.html#afdc81fe9b4d2d962b8112e50eace95a2">CPGFStream</a>.</p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8cpp_source.html#l00048">48</a> of file <a class="el" href="PGFstream_8cpp_source.html">PGFstream.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                                                          {</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        ASSERT(count);</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        ASSERT(buffPtr);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        ASSERT(<a class="code" href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">IsValid</a>());</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        OSError err;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keywordflow">if</span> ((err = FileRead(<a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>, count, buffPtr)) != NoError) ReturnWithError(err);</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;}</div><div class="ttc" id="classCPGFFileStream_html_a999b6c0ebc670ea58f5e34729e7f323a"><div class="ttname"><a href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">CPGFFileStream::IsValid</a></div><div class="ttdeci">virtual bool IsValid() const</div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00099">PGFstream.h:99</a></div></div>
<div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c773ea022fbac4766debd1956e27744">&#9670;&nbsp;</a></span>SetPos()</h2>

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          <td class="memname">void CPGFFileStream::SetPos </td>
          <td>(</td>
          <td class="paramtype">short&#160;</td>
          <td class="paramname"><em>posMode</em>, </td>
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          <td class="paramname"><em>posOff</em>&#160;</td>
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<p>Set stream position either absolute or relative. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">posMode</td><td>A position mode (FSFromStart, FSFromCurrent, FSFromEnd) </td></tr>
    <tr><td class="paramname">posOff</td><td>A new stream position (absolute positioning) or a position offset (relative positioning) </td></tr>
  </table>
  </dd>
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<p>Implements <a class="el" href="classCPGFStream.html#a69be67d4b04cd056c4f74d8147349a16">CPGFStream</a>.</p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8cpp_source.html#l00057">57</a> of file <a class="el" href="PGFstream_8cpp_source.html">PGFstream.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                                                              {</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        ASSERT(<a class="code" href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">IsValid</a>());</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        OSError err;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keywordflow">if</span> ((err = SetFPos(<a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>, posMode, posOff)) != NoError) ReturnWithError(err);</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;}</div><div class="ttc" id="classCPGFFileStream_html_a999b6c0ebc670ea58f5e34729e7f323a"><div class="ttname"><a href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">CPGFFileStream::IsValid</a></div><div class="ttdeci">virtual bool IsValid() const</div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00099">PGFstream.h:99</a></div></div>
<div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2492d2634f43a38fe1d1e925ff69487f">&#9670;&nbsp;</a></span>Write()</h2>

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          <td>(</td>
          <td class="paramtype">int *&#160;</td>
          <td class="paramname"><em>count</em>, </td>
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<p>Write some bytes out of a buffer into this stream. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">count</td><td>A pointer to a value containing the number of bytes should be written. After this call it contains the number of written bytes. </td></tr>
    <tr><td class="paramname">buffer</td><td>A memory buffer </td></tr>
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<p>Implements <a class="el" href="classCPGFStream.html#a0a46ae977995134787219288f4123134">CPGFStream</a>.</p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8cpp_source.html#l00038">38</a> of file <a class="el" href="PGFstream_8cpp_source.html">PGFstream.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;                                                           {</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        ASSERT(count);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        ASSERT(buffPtr);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        ASSERT(<a class="code" href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">IsValid</a>());</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        OSError err;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        <span class="keywordflow">if</span> ((err = FileWrite(<a class="code" href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">m_hFile</a>, count, buffPtr)) != NoError) ReturnWithError(err);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        </div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;}</div><div class="ttc" id="classCPGFFileStream_html_a999b6c0ebc670ea58f5e34729e7f323a"><div class="ttname"><a href="classCPGFFileStream.html#a999b6c0ebc670ea58f5e34729e7f323a">CPGFFileStream::IsValid</a></div><div class="ttdeci">virtual bool IsValid() const</div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00099">PGFstream.h:99</a></div></div>
<div class="ttc" id="classCPGFFileStream_html_a3e442cbf8c1a8f66d737c36ceb0c9f32"><div class="ttname"><a href="classCPGFFileStream.html#a3e442cbf8c1a8f66d737c36ceb0c9f32">CPGFFileStream::m_hFile</a></div><div class="ttdeci">HANDLE m_hFile</div><div class="ttdoc">file handle </div><div class="ttdef"><b>Definition:</b> <a href="PGFstream_8h_source.html#l00084">PGFstream.h:84</a></div></div>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a3e442cbf8c1a8f66d737c36ceb0c9f32">&#9670;&nbsp;</a></span>m_hFile</h2>

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<p>file handle </p>

<p class="definition">Definition at line <a class="el" href="PGFstream_8h_source.html#l00084">84</a> of file <a class="el" href="PGFstream_8h_source.html">PGFstream.h</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="PGFstream_8h_source.html">PGFstream.h</a></li>
<li><a class="el" href="PGFstream_8cpp_source.html">PGFstream.cpp</a></li>
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