?? roundrect.htm
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<td width="100%" height="16">RoundRect</td>
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<td width="102%" colspan="2">VB聲明</td>
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<td width="102%" colspan="2">Declare Function RoundRect Lib "gdi32" Alias
"RoundRect" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As
Long, ByVal Y2 As Long, ByVal X3 As Long, ByVal Y3 As Long) As Long</td>
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<td width="102%" colspan="2">說明</td>
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<td width="102%" colspan="2">用當前選定的畫筆畫一個圓角矩形，并用當前選定的刷子在其中填充。X3和Y3定義了用于生成圓角的橢圓</td>
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<td width="102%" colspan="2">返回值</td>
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<td width="102%" colspan="2">Long，非零表示成功，零表示失敗。會設置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="102%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="77%">類型及說明</td>
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<td width="25%">hdc</td>
<td width="77%">Long，用于繪圖的設備場景</td>
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<td width="25%">X1,Y1</td>
<td width="77%">Long，對矩形左上角位置進行說明的X，Y坐標</td>
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<td width="25%">X2,Y2</td>
<td width="77%">Long，對矩形右下角位置進行說明的X，Y坐標</td>
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<td width="25%">X3</td>
<td width="77%">Long，用于生成圓角效果的一個橢圓的寬度。取值范圍從零（表示不加圓角），一直到矩形的寬度（全圓）</td>
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<td width="25%">Y3</td>
<td width="77%">Long，用于生成圓角效果的一個橢圓的高度。取值范圍從零（表示不加圓角），一直到矩形的高度（全圓）</td>
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<td width="100%"><p align="right">Top</td>
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