?? excludecliprect.htm
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<td width="100%" colspan="2">VB聲明</td>
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<td width="100%" colspan="2">Declare Function ExcludeClipRect Lib "gdi32" Alias
"ExcludeClipRect" (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">說明</td>
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<td width="100%" colspan="2">從專用設(shè)備場景的剪裁區(qū)中去掉一個由點(diǎn)X1，Y1和X2，Y2確定的矩形區(qū)。矩形內(nèi)不能進(jìn)行繪圖</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，返回以下常數(shù)之一以描述所得剪裁區(qū)：<br>
COMPLEXREGION：區(qū)域邊界互相交疊<br>
SIMPLEREGION：區(qū)域邊界沒有互相交疊<br>
NULLREGION：區(qū)域?yàn)榭?lt;br>
ERRORAPI：發(fā)生了錯誤</td>
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<td width="100%" colspan="2">參數(shù)表</td>
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<td width="25%">參數(shù)</td>
<td width="75%">類型及說明</td>
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<td width="25%">hdc</td>
<td width="75%">Long，要修改的設(shè)備場景</td>
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<td width="25%">X1,Y1</td>
<td width="75%">Long，矩形（邏輯坐標(biāo)）左上角的X，Y坐標(biāo)</td>
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<td width="25%">X2,Y2</td>
<td width="75%">Long，矩形（邏輯坐標(biāo)）右下角的X，Y坐標(biāo)，矩形的右邊和下邊不會從剪裁區(qū)中移走</td>
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<td width="100%"><p align="right">Top</td>
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