📄 releasedc.htm
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<td width="100%" height="16">ReleaseDC</td>
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<td width="100%" colspan="2">VB声明</td>
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<td width="100%" colspan="2">Declare Function ReleaseDC Lib "user32" Alias
"ReleaseDC" (ByVal hwnd As Long, ByVal hdc As Long) As Long</td>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">释放由调用<a href="GetDC.htm">GetDC</a>或<a
href="GetWindowDC.htm">GetWindowDC</a>函数获取的指定设备场景。它对类或私有设备场景无效（但这样的调用不会造成损害）</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，执行成功为1，否则为0</td>
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<td width="100%" colspan="2">参数表</td>
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<td width="25%">参数</td>
<td width="75%">类型及说明</td>
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<td width="25%">hwnd</td>
<td width="75%">Long，要释放的设备场景相关的窗口句柄</td>
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<td width="25%">hdc</td>
<td width="75%">Long，要释放的设备场景句柄</td>
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<td width="100%" colspan="2">注解</td>
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<td width="100%" colspan="2"><p align="left">对那些用<a href="CreateDC.htm">CreateDC</a>一类的DC创建函数生成的设备场景，不要用本函数</td>
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