以文本方式查看主题

-  Foxtable(狐表)  (http://www.foxtable.com/bbs/index.asp)
--  专家坐堂  (http://www.foxtable.com/bbs/list.asp?boardid=2)
----  请问一下关于ChildWindowFromPoint的问题  (http://www.foxtable.com/bbs/dispbbs.asp?boardid=2&id=161046)

--  作者:tcmhl
--  发布时间:2021/3/4 8:47:00
--  请问一下关于ChildWindowFromPoint的问题
Public Structure POINTAPI
Dim x As long
Dim y As long
End Structure
<DllImport("user32.dll", EntryPoint := "ChildWindowFromPoint", SetLastError := True)> _
Public Function ChildWindowFromPoint(ByVal hWnd As Long, ByVal lpPoint As POINTAPI) As Long
End Function

\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'\'
dim p as POINTAPI
dim hWnd as long
p.x =100
p.y = 100
hWnd=530246

messagebox.show(ChildWindowFromPoint(hWnd,p))

无法正常运行  我p.y改到多大都能显示句柄 请帮忙看一下谢谢

--  作者:有点蓝
--  发布时间:2021/3/4 9:15:00
--  
我也不懂,百度了一下,也看不出个所以然