?? getwindowrgn.htm
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<td width="100%" height="16">GetWindowRgn</td>
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<td width="100%" colspan="2">VB聲明</td>
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<td width="100%" colspan="2">Declare Function GetWindowRgn Lib "user32" Alias
"GetWindowRgn" (ByVal hWnd As Long, ByVal hRgn 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">根據以前 SetWindowRgn 函數的定義獲取窗口區域</td>
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<td width="100%" colspan="2">返回值</td>
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<td width="100%" colspan="2">Long，下列常數之一，以描述當前剪裁區：<br>
COMPLEXREGION：該區域有互相交疊的邊界<br>
SIMPLEREGION：該區域邊界沒有互相交疊<br>
NULLREGION：區域為空<br>
ERRORAPI：發生了錯誤</td>
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<td width="100%" colspan="2">參數表</td>
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<td width="25%">參數</td>
<td width="75%">類型及說明</td>
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<td width="25%">hWnd</td>
<td width="75%">Long，要獲取區域的窗口</td>
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<td width="25%">hRgn</td>
<td width="75%">Long，區域句柄，若已設置有一個區域，則裝載當前窗口區域的拷貝</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">參考<a href="SetWindowRgn.htm">SetWindowRgn</a>函數</td>
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