?? rectvisible.htm
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<title>RectVisible</title>
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<td width="100%" height="16">RectVisible</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 RectVisible Lib "gdi32" Alias
"RectVisible" (ByVal hdc As Long, lpRect As RECT) As Long</td>
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<td width="100%" colspan="2">說明</td>
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<td width="100%" colspan="2">確定指定矩形是否有部分可見（是否在設備場景剪裁區內）</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，矩形有部分在指定設備場景剪裁區內為非零值，否則為零</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%">lpRect</td>
<td width="75%">RECT，用于測試是否可見的矩形（用邏輯坐標）</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">矩形的底邊和右邊不包括在lpRect內</td>
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<td width="100%"><p align="right">Top</td>
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