📄 getwindowrgn.htm
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<td width="100%" height="16">GetWindowRgn</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 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">说明</td>
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<td width="100%" colspan="2">根据以前 SetWindowRgn 函数的定义获取窗口区域</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%">hWnd</td>
<td width="75%">Long，要获取区域的窗口</td>
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<td width="25%">hRgn</td>
<td width="75%">Long，区域句柄，若已设置有一个区域，则装载当前窗口区域的拷贝</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">参考<a href="SetWindowRgn.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/SetWindowRgn.htm">SetWindowRgn</a>函数</td>
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<td width="100%"><p align="right">Top</td>
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