📄 getwindow.htm
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<title>GetWindow</title>
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<td width="100%" height="16"><a name="GetWindow">GetWindow</a></td>
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<td width="102%" colspan="3">VB声明</td>
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<td width="102%" colspan="3">Declare Function GetWindow Lib "user32" Alias
"GetWindow" (ByVal hwnd As Long, ByVal wCmd As Long) As Long</td>
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<td width="102%" colspan="3">说明</td>
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<td width="102%" colspan="3">获得一个窗口的句柄,该窗口与某源窗口有特定的关系</td>
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<td width="102%" colspan="3">返回值</td>
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<td width="102%" colspan="3">Long,由wCmd决定的一个窗口的句柄。如没有找到相符窗口,或者遇到错误,则返回零值。会设置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="102%" colspan="3">参数表</td>
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<td width="25%">参数</td>
<td width="77%" colspan="2">类型及说明</td>
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<td width="25%">hwnd</td>
<td width="77%" colspan="2">Long,源窗口</td>
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<td width="25%" rowspan="7">wCmd</td>
<td width="77%" colspan="2">Long,指定结果窗口与源窗口的关系,它们建立在下述常数基础上:</td>
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<td width="37%">GW_CHILD</td>
<td width="38%">寻找源窗口的第一个子窗口</td>
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<td width="37%">GW_HWNDFIRST</td>
<td width="38%">为一个源子窗口寻找第一个兄弟(同级)窗口,或寻找第一个顶级窗口</td>
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<td width="37%">GW_HWNDLAST</td>
<td width="38%">为一个源子窗口寻找最后一个兄弟(同级)窗口,或寻找最后一个顶级窗口</td>
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<td width="37%">GW_HWNDNEXT</td>
<td width="38%">为源窗口寻找下一个兄弟窗口</td>
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<td width="37%">GW_HWNDPREV</td>
<td width="38%">为源窗口寻找前一个兄弟窗口</td>
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<td width="37%">GW_OWNER</td>
<td width="38%">寻找窗口的所有者</td>
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<td width="102%" colspan="3">注解</td>
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<td width="102%" colspan="3"><p align="left">兄弟或同级是指在整个分级结构中位于同一级别的窗口。如某个窗口有五个子窗口,那五个窗口就是兄弟窗口。尽管<a
name="GetWindow">GetWindow</a>可用于枚举窗口,但倘若要在枚举过程中重新定位、创建和清除窗口,那么<a
href="EnumWindows.htm">EnumWindows</a>和<a href="EnumChildWindows.htm">EnumChildWindows</a>更为可靠</td>
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<td width="100%"><p align="right"><a href="#GetWindow">Top</a></td>
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