?? 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聲明</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">說明</td>
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<td width="100%" colspan="3">返回父窗口中包含了指定點的第一個子窗口的句柄</td>
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<td width="100%" colspan="3">返回值</td>
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<td width="100%" colspan="3">Long，發現包含了指定點的第一個子窗口的句柄。如未發現任何窗口，則返回hWnd（父窗口的句柄）。如指定點位于父窗口外部，則返回零</td>
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<td width="100%" colspan="3">參數表</td>
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<td width="25%">參數</td>
<td width="75%" colspan="2">類型及說明</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，點的X坐標，以像素為單位</td>
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<td width="25%">yPoint</td>
<td width="75%" colspan="2">Long，點的Y坐標，以像素為單位</td>
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<td width="25%">pt</td>
<td width="75%" colspan="2"><a href="POINTAPI.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/POINTAPI.htm">POINTAPI</a>，點的坐標，以像素為單位</td>
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<td width="25%" rowspan="5">un</td>
<td width="75%" colspan="2">Long，（只適用于ChildWindowFromPointEx）控制對窗口的搜索。參見下表</td>
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<td width="38%">CWP_ALL</td>
<td width="37%">測試所有窗口</td>
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<td width="38%">CWP_SKIPINVISIBLE</td>
<td width="37%">忽略不可見窗口</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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