📄 getcliprgn.htm
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<td width="100%" height="16">GetClipRgn</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 GetClipRgn Lib "gdi32" Alias
"GetClipRgn" (ByVal hdc As Long, ByVal hRgn 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">获取设备场景当前剪裁区</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，下列常数之一：<br>
1——执行成功，剪裁区存在<br>
0——执行成功，没有定义剪裁区<br>
-1——出错</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，想要访问的设备场景剪裁区</td>
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<td width="25%">hRgn</td>
<td width="75%">Long，已存在的区域句柄。该区域将被设为设备场景当前剪裁区</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">hRgn装载剪裁区拷贝。它后面的改变不影响剪裁区。该函数只能载入由应用程序设置的剪裁区，那些由BeginPaint一类函数设置的内部剪裁区不能被函数访问</td>
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<td width="100%"><p align="right">Top</td>
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