📄 getenhmetafiledescription.htm
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<td width="100%" height="16">GetEnhMetaFileDescription</td>
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<td width="102%" colspan="2">VB声明</td>
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<td width="102%" colspan="2">Declare Function GetEnhMetaFileDescription Lib
"gdi32" Alias "GetEnhMetaFileDescriptionA" (ByVal hemf As Long, ByVal
cchBuffer As Long, ByVal lpszDescription As String) As Long</td>
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<td width="102%" colspan="2">说明</td>
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<td width="102%" colspan="2">返回对一个增强型图元文件的说明</td>
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<td width="102%" colspan="2">返回值</td>
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<td width="102%" colspan="2">Long，如lpszDescription为NULL（使用vbNullString），则必须设置缓冲区的长度。如函数执行成功，返回实际载入缓冲区的字节数；如不存在说明信息则返回零</td>
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<td width="102%" colspan="2">参数表</td>
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<td width="25%">参数</td>
<td width="77%">类型及说明</td>
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<td width="25%">hemf</td>
<td width="77%">Long，目标增强型图元文件的句柄</td>
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<td width="25%">cchBuffer</td>
<td width="77%">Long，lpszDescription缓冲区的长度</td>
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<td width="25%">lpszDescription</td>
<td width="77%">String，指定一个预先初始化好的字串缓冲区，准备随同图元文件说明载入。参考<a
href="CreateEnhMetaFile.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/CreateEnhMetaFile.htm">CreateEnhMetaFile</a>函数，了解增强型图元文件说明字串的具体格式</td>
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<td width="100%"><p align="right">Top</td>
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