📄 intersectcliprect.htm
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<title>IntersectClipRect</title>
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<td width="100%" height="16">IntersectClipRect</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 IntersectClipRect Lib "gdi32"
Alias "IntersectClipRect" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As
Long, ByVal X2 As Long, ByVal Y2 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">为指定设备定义一个新的剪裁区，该区为当前剪裁区与由点X1，Y1和X2，Y2定义的矩形的交集</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，以描述当前剪裁区：<br>
COMPLEXREGION：该区域有互相交叠的边界<br>
SIMPLEREGION：该区域边界没有互相交叠<br>
NULLREGION：区域为空<br>
ERRORAPI：发生了错误</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，设备场景</td>
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<td width="25%">X1,Y1</td>
<td width="75%">Long，矩形左上角X，Y坐标</td>
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<td width="25%">X2,Y2</td>
<td width="75%">Long，矩形右下角X，Y坐标</td>
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<td width="100%"><p align="right">Top</td>
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