?? setbkcolor.htm
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<title>SetBkColor</title>
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<td width="100%" height="16">SetBkColor</td>
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<table border="1" width="100%" bordercolorlight="#808080" cellspacing="0"
bordercolordark="#FFFFFF">
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<td width="102%" colspan="2">VB聲明</td>
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<td width="102%" colspan="2">Declare Function SetBkColor Lib "gdi32" Alias
"SetBkColor" (ByVal hdc As Long, ByVal crColor As Long) As Long</td>
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<td width="102%" colspan="2">說明</td>
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<td width="102%" colspan="2">為指定的設備場景設置背景顏色。背景顏色用于填充陰影刷子、虛線畫筆以及字符（如背景模式為OPAQUE）中的空隙。也在位圖顏色轉換期間使用。參考<a
href="SetBkMode.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/SetBkMode.htm">SetBkMode</a></td>
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<td width="102%" colspan="2">返回值</td>
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<td width="102%" colspan="2">Long，前一個背景色，CLR_INVALID表示出錯</td>
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<td width="102%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="77%">類型及說明</td>
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<td width="25%">hdc</td>
<td width="77%">Long，設備場景的句柄</td>
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<td width="25%">crColor</td>
<td width="77%">Long，新背景顏色的RGB顏色值</td>
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<td width="102%" colspan="2">注解</td>
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<td width="102%" colspan="2"><p align="left">背景實際是設備能夠顯示的最接近于
crColor 的顏色</td>
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<td width="100%"><p align="right">Top</td>
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