dcallback.htm

DirectX 编程初级教程中文版。只要有C++基础和一点三维知识即可。

    <b><font FACE="Arial" SIZE="3" COLOR="#0000ff">
    <li><a name="EnumModesCallback">EnumModesCallback</a><p align="right"></font><font SIZE="3"
      COLOR="#0000ff"><a href="#目录">返回目录</a></font><font FACE="Arial" SIZE="3"
      COLOR="#0000ff"></p>
    </li>
    </font></b><font FACE="Arial" SIZE="3"><p>EnumModesCallback</font><font FACE="宋体"
    SIZE="3">是用于</font><font FACE="Arial" SIZE="3">IDirectDraw2::EnumDisplayModes</font><font
    FACE="宋体" SIZE="3">函数的应用程序定义的回调函数。</p>
    </font><font FACE="Arial" SIZE="3"><p>HRESULT WINAPI EnumModesCallback(<br>
    LPDDSURFACEDESC lpDDSurfaceDesc, <br>
    LPVOID lpContext <br>
    );</p>
    </font><font FACE="宋体" SIZE="3"><b><p>参数：</p>
    </b></font><font FACE="Arial" SIZE="3"><p>lpDDSurfaceDesc<br>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DDSURFACEDESC</font><font SIZE="3">结构的地址，提供了可用的显示器刷新率和显示模式的描述。该参数为只读。</font><font
    FACE="Arial" SIZE="3"></p>
    <p>lpContext<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="宋体" SIZE="3">一个应用程序定义的结构的地址，将由</font><font
    FACE="Arial" SIZE="3">IDirectDraw2::EnumDisplayModes</font><font SIZE="3">函数传递给该回调函数。</font><font
    FACE="Arial" SIZE="3"></p>
    </font><font FACE="宋体" SIZE="3"><b><p>返回值：</p>
    </b><p>返回</font><font FACE="Arial" SIZE="3">DDENUMRET_OK</font><font FACE="宋体"
    SIZE="3">以继续列举。<br>
    返回<font FACE="Arial" SIZE="3">DDENUMRET_CANCEL</font>以结束列举。</p>
    <b><p>备注：</p>
    </b><p>你可以使用</font><font FACE="Arial" SIZE="3">LPDDENUMMODESCALLBACK</font><font
    FACE="宋体" SIZE="3">数据类型来声明一个指向该回调函数的指针变量。</p>
    <b><p>快速信息：</p>
    </b></font><font FACE="Arial" SIZE="3"><p>Windows NT</font><font FACE="宋体" SIZE="3">：适用于</font><font
    FACE="Arial" SIZE="3">4.0</font><font FACE="宋体" SIZE="3">或更新版<br>
    <font FACE="Arial" SIZE="3">Windows</font>：适用于<font FACE="Arial" SIZE="3">Windows 
    95</font>或更新版<br>
    <font FACE="Arial" SIZE="3">Windows CE</font>：不支持<br>
    头文件：<font FACE="Arial" SIZE="3">ddraw.h</font><br>
    库文件：无（用户定义）</p>
    </font><hr>
    <b><font FACE="Arial" SIZE="3" COLOR="#0000ff">
    <li><a name="EnumSurfacesCallback">EnumSurfacesCallback</a><p align="right"></font><font
      SIZE="3" COLOR="#0000ff"><a href="#目录">返回目录</a></font><font FACE="Arial"
      SIZE="3" COLOR="#0000ff"></p>
    </li>
    </font></b><font FACE="Arial" SIZE="3"><p>EnumSurfacesCallback</font><font FACE="宋体"
    SIZE="3">是用于</font><font FACE="Arial" SIZE="3">IDirectDrawSurface3::EnumAttachedSurfaces</font><font
    FACE="宋体" SIZE="3">和</font><font FACE="Arial" SIZE="3">IDirectDrawSurface3::EnumOverlayZOrders</font><font
    FACE="宋体" SIZE="3">函数的应用程序定义的回调函数。</p>
    </font><font FACE="Arial" SIZE="3"><p>HRESULT WINAPI EnumSurfacesCallback( <br>
    LPDIRECTDRAWSURFACE lpDDSurface, <br>
    LPDDSURFACEDESC lpDDSurfaceDesc, <br>
    LPVOID lpContext <br>
    );</p>
    </font><font FACE="宋体" SIZE="3"><b><p>参数：</p>
    </b></font><font FACE="Arial" SIZE="3"><p>lpDDSurface<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="Arial" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp; 
    </font><font SIZE="3">隶属于该页面的页面地址。</font><font FACE="Arial"
    SIZE="3"></p>
    <p>lpDDSurfaceDesc<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="Arial" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp; 
    </font><font SIZE="3">一个</font><font FACE="Arial" SIZE="3">DDSURFACEDESC</font><font
    SIZE="3">结构的地址，包含隶属页面的描述。</font><font FACE="Arial"
    SIZE="3"></p>
    <p>lpContext<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="Arial" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp; 
    </font><font SIZE="3">一个应用程序定义的结构的地址，将由</font><font
    FACE="Arial" SIZE="3">IDirectDrawSurface3::EnumAttachedSurfaces</font><font SIZE="3">或</font><font
    FACE="Arial" SIZE="3">IDirectDrawSurface3::EnumOverlayZOrders</font><font SIZE="3">函数传递给该回调函数。</font><font
    FACE="Arial" SIZE="3"></p>
    </font><font FACE="宋体" SIZE="3"><b><p>返回值：</p>
    </b><p>返回</font><font FACE="Arial" SIZE="3">DDENUMRET_OK</font><font FACE="宋体"
    SIZE="3">以继续列举。<br>
    返回<font FACE="Arial" SIZE="3">DDENUMRET_CANCEL</font>以结束列举。</p>
    <b><p>备注：</p>
    </b><p>你可以使用</font><font FACE="Arial" SIZE="3">LPDDENUMSURFACESCALLBACK</font><font
    FACE="宋体" SIZE="3">数据类型来声明一个指向该回调函数的指针变量。</p>
    <b><p>快速信息：</p>
    </b></font><font FACE="Arial" SIZE="3"><p>Windows NT</font><font FACE="宋体" SIZE="3">：适用于</font><font
    FACE="Arial" SIZE="3">4.0</font><font FACE="宋体" SIZE="3">或更新版<br>
    <font FACE="Arial" SIZE="3">Windows</font>：适用于<font FACE="Arial" SIZE="3">Windows 
    95</font>或更新版<br>
    <font FACE="Arial" SIZE="3">Windows CE</font>：不支持<br>
    头文件：<font FACE="Arial" SIZE="3">ddraw.h</font><br>
    库文件：无（用户定义）</p>
    </font><hr>
    <font FACE="Arial" SIZE="3" COLOR="#0000ff"><b>
    <li><a name="EnumVideoCallback">EnumVideoCallback</a></b></font><p align="right"><font
      SIZE="3"><a href="#目录">返回目录</a></font></p>
    </li>
  </ol>
</ol>

<blockquote>
  <blockquote>
    <font FACE="Arial" SIZE="3"><p>EnumVideoCallback</font><font FACE="宋体" SIZE="3">是用于</font><font
    FACE="Arial" SIZE="3">IDDVideoPortContainer::EnumVideoPorts</font><font FACE="宋体"
    SIZE="3">函数的应用程序定义的回调函数。</font><font FACE="Arial" SIZE="3"></p>
    <p>HRESULT WINAPI EnumVideoCallback(<br>
    LPDDVIDEOPORTCAPS lpDDVideoPortCaps, <br>
    LPVOID lpContext <br>
    );</p>
    </font><font FACE="宋体" SIZE="3"><b><p>参数：</b></font><font FACE="Arial" SIZE="3"></p>
    <p>lpDDVideoPortCaps<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="宋体" SIZE="3">指向</font><font
    FACE="Arial" SIZE="3">DDVIDEOPORTCAPS</font><font SIZE="3">结构的指针，包含了视频端口的信息，包括</font><font
    FACE="Arial" SIZE="3">ID</font><font SIZE="3">和特性。该数据为只读。</font><font
    FACE="Arial" SIZE="3"></p>
    <p>lpContext<br>
    </font><font SIZE="3">&nbsp;&nbsp; </font><font FACE="宋体" SIZE="3">一个应用程序定义的结构的地址，将由</font><font
    FACE="Arial" SIZE="3">IDDVideoPortContainer::EnumVideoPorts</font><font SIZE="3">函数传递给该回调函数。</font><font
    FACE="Arial" SIZE="3"></p>
    </font><font FACE="宋体" SIZE="3"><b><p>返回值：</p>
    <blockquote>
      </b><p>返回</font><font FACE="Arial" SIZE="3">DDENUMRET_OK</font><font FACE="宋体"
      SIZE="3">以继续列举。<br>
      返回<font FACE="Arial" SIZE="3">DDENUMRET_CANCEL</font>以结束列举。</p>
    </blockquote>
    <b><p>备注：</b></p>
    <p>与视频端口相关的函数不能在</font><font FACE="Arial" SIZE="3">EnumVideoCallback</font><font
    FACE="宋体" SIZE="3">回调数中调用，否则返回</font><font FACE="Arial" SIZE="3">DDERR_CURRENTLYNOTAVAIL</font><font
    FACE="宋体" SIZE="3">。</p>
    <p>你可以使用</font><font FACE="Arial" SIZE="3">LPDDENUMVIDEOCALLBACK</font><font
    FACE="宋体" SIZE="3">数据类型来声明一个指向该回调函数的指针变量。</p>
    <b><p>快速信息：</b></font><font FACE="Arial" SIZE="3"></p>
    <p>Windows NT</font><font FACE="宋体" SIZE="3">：适用于</font><font FACE="Arial"
    SIZE="3">4.0</font><font FACE="宋体" SIZE="3">或更新版</font><br>
    <font FACE="Arial" SIZE="3">Windows</font><font FACE="宋体" SIZE="3">：适用于</font><font
    FACE="Arial" SIZE="3">Windows 95</font><font FACE="宋体" SIZE="3">或更新版</font><br>
    <font FACE="Arial" SIZE="3">Windows CE</font><font FACE="宋体" SIZE="3">：不支持<br>
    头文件：</font><font FACE="Arial" SIZE="3">ddraw.h<br>
    </font><font SIZE="3">库文件：无（用户定义）</font><font FACE="Arial" SIZE="3"></p>
    </font>
  </blockquote>
</blockquote>
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