📄 getaspectratiofilterex.htm
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<title>GetAspectRatioFilterEx</title>
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<td width="100%" height="16">GetAspectRatioFilterEx</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 GetAspectRatioFilterEx Lib "gdi32"
Alias "GetAspectRatioFilterEx" (ByVal hdc As Long, lpAspectRatio As SIZE) As
Long</td>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">我们可用<a href="SetMapperFlags.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/SetMapperFlags.htm">SetMapperFlags</a>函数要求Windows只选择与设备当前纵横比相符的光栅字体。这个函数可判断那种特殊选择过程中使用的纵横比是多大</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，非零表示成功，零表示失败。会设置<a
href="GetLastError.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/GetLastError.htm">GetLastError</a></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%">hdc</td>
<td width="75%">Long，一个设备场景的句柄</td>
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<td width="25%">lpAspectRatio</td>
<td width="75%">SIZE，用于装载纵横比的一个结构</td>
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<td width="100%"><p align="right">Top</td>
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