📄 setbkmode.htm
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<title>SetBkMode</title>
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<td width="100%" height="16">SetBkMode</td>
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<td width="102%" colspan="3">VB声明</td>
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<td width="102%" colspan="3">Declare Function SetBkMode Lib "gdi32" Alias
"SetBkMode" (ByVal hdc As Long, ByVal nBkMode As Long) As Long</td>
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<td width="102%" colspan="3">说明</td>
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<td width="102%" colspan="3">指定阴影刷子、虚线画笔以及字符中的空隙的填充方式</td>
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<td width="102%" colspan="3">返回值</td>
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<td width="102%" colspan="3">Long，前一个背景模式的值</td>
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<td width="102%" colspan="3">参数表</td>
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<td width="25%">参数</td>
<td width="77%" colspan="2">类型及说明</td>
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<td width="25%">hdc</td>
<td width="77%" colspan="2">Long，设备场景的句柄</td>
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<td width="25%" rowspan="3">nBkMode</td>
<td width="77%" colspan="2">Long，下述常数之一：</td>
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<td width="37%">OPAQUE</td>
<td width="38%">用当前的背景色填充虚线画笔、阴影刷子以及字符的空隙</td>
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<td width="37%">TRANSPARENT</td>
<td width="38%">透明处理，即不作上述填充</td>
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<td width="102%" colspan="3">注解</td>
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<td width="102%" colspan="3"><p align="left">背景模式不会影响用扩展画笔描绘的线条</td>
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