📄 childwindowfrompoint.htm
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<title>ChildWindowFromPoint</title>
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<td width="100%" height="16"><a name="ChildWindowFromPoint,ChildWindowFromPointEx">ChildWindowFromPoint,ChildWindowFromPointEx</a></td>
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<td width="100%" colspan="3">VB声明</td>
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<td width="100%" colspan="3">Declare Function ChildWindowFromPoint Lib "user32"
Alias "ChildWindowFromPoint" (ByVal hWnd As Long, ByVal xPoint As Long, ByVal
yPoint As Long) As Long<br>
Declare Function ChildWindowFromPointEx Lib "user32" Alias
"ChildWindowFromPointEx" (ByVal hWnd As Long, ByVal pt As POINTAPI, ByVal un As
Long) As Long</td>
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<td width="100%" colspan="3">说明</td>
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<td width="100%" colspan="3">返回父窗口中包含了指定点的第一个子窗口的句柄</td>
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<td width="100%" colspan="3">返回值</td>
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<td width="100%" colspan="3">Long，发现包含了指定点的第一个子窗口的句柄。如未发现任何窗口，则返回hWnd（父窗口的句柄）。如指定点位于父窗口外部，则返回零</td>
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<td width="100%" colspan="3">参数表</td>
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<td width="25%">参数</td>
<td width="75%" colspan="2">类型及说明</td>
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<td width="25%">hWnd</td>
<td width="75%" colspan="2">Long，父窗口的句柄</td>
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<td width="25%">xPoint</td>
<td width="75%" colspan="2">Long，点的X坐标，以像素为单位</td>
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<td width="25%">yPoint</td>
<td width="75%" colspan="2">Long，点的Y坐标，以像素为单位</td>
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<td width="25%">pt</td>
<td width="75%" colspan="2"><a href="POINTAPI.htm" tppabs="http://personal.hb.cninfo.net/~vbapi/POINTAPI.htm">POINTAPI</a>，点的坐标，以像素为单位</td>
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<td width="25%" rowspan="5">un</td>
<td width="75%" colspan="2">Long，（只适用于ChildWindowFromPointEx）控制对窗口的搜索。参见下表</td>
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<td width="38%">CWP_ALL</td>
<td width="37%">测试所有窗口</td>
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<td width="38%">CWP_SKIPINVISIBLE</td>
<td width="37%">忽略不可见窗口</td>
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<td width="38%">CWP_SKIPDISABLED</td>
<td width="37%">忽略已屏蔽的窗口</td>
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<td width="38%">CWP_SKIPTRANSPARENT </td>
<td width="37%">忽略透明窗口</td>
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<td width="100%"><p align="right"><a href="#ChildWindowFromPoint,ChildWindowFromPointEx">Top</a></td>
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