?? isrectempty.htm
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<title>IsRectEmpty</title>
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<td width="100%" height="16"><a name="IsRectEmpty">IsRectEmpty</a></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 IsRectEmpty Lib "user32" Alias
"IsRectEmpty" (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">判斷一個矩形是否為空</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，零表示失敗。會設置<a
href="GetLastError.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/GetLastError.htm">GetLastError</a></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%">lpRect</td>
<td width="75%"><a href="RECT.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/RECT.htm">RECT</a>，要檢查的矩形</td>
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<td width="100%"><p align="right"><a href="#IsRectEmpty">Top</a></td>
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