📄 getboundsrect.htm
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<title>GetBoundsRect</title>
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<td width="100%" height="16">GetBoundsRect</td>
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<td width="100%" colspan="2">VB声明</td>
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<td width="100%" colspan="2">Declare Function GetBoundsRect Lib "gdi32" Alias
"GetBoundsRect" (ByVal hdc As Long, lprcBounds As RECT, ByVal flags As Long) As
Long</td>
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<td width="100%" colspan="2">说明</td>
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<td width="100%" colspan="2">获取指定设备场景的边界矩形。每个设备场景都有一个边界矩形，程序员可用它来堆放表示当前图象边界的信息</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，出错为0，否则为下列常数之一：<br>
DCB_SET：边界矩形非空<br>
DCB_RESET：边界矩形为空<br>
DCB_ENABLE：边界矩形正被堆放<br>
DCB_DISABLE：边界矩形当前没有被堆放</td>
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<td width="100%" colspan="2">参数表</td>
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<td width="25%">参数</td>
<td width="75%">类型及说明</td>
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<td width="25%">hdc</td>
<td width="75%">Long，边界矩形对应的设备场景</td>
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<td width="25%">lprcBounds</td>
<td width="75%"><a href="RECT.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/RECT.htm">RECT</a>，装载设备场景hdc的当前边界矩形</td>
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<td width="25%">flags</td>
<td width="75%">Long，可设为常数DCB_RESET以清除边界矩形，否则设为零</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">详情参考<a href="SetBoundsRect.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/SetBoundsRect.htm">SetBoundsRect</a></td>
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<td width="100%"><p align="right">Top</td>
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