?? scaleviewportextex.htm
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<td width="100%" height="16">ScaleViewportExtEx</td>
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<td width="100%" colspan="2">VB聲明</td>
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<td width="100%" colspan="2">Declare Function ScaleViewportExtEx Lib "gdi32"
Alias "ScaleViewportExtEx" (ByVal hdc As Long, ByVal nXnum As Long, ByVal
nXdenom As Long, ByVal nYnum As Long, ByVal nYdenom As Long, lpSize As SIZE) As Long</td>
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<td width="100%" colspan="2">說明</td>
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<td width="100%" colspan="2">縮放設備場景視口的范圍</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，執行成功為非零值，失敗為0</td>
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<td width="100%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="75%">類型及說明</td>
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<td width="25%">hdc</td>
<td width="75%">Long，設備場景句柄</td>
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<td width="25%">nXnum,nYnum</td>
<td width="75%">Long，當前X，Y范圍將與本數值相乘</td>
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<td width="25%">nXdenom,nYdenom</td>
<td width="75%">Long，當前X，Y范圍將被本數值除</td>
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<td width="25%">lpSize</td>
<td width="75%">SIZE，裝載原有水平和垂直視口范圍的結構</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">本函數僅在MM_ISOTROPIC 和
MM_ANISOTROPIC映射模式下有效，在MM_ISOTROPIC模式，要在設置視口范圍之前設置窗口范圍</td>
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