今天下午,我想用一下ChildWindowFromPoint函数,在vb自带的API浏览器中有两个声明,复制了一个贴进去用,说是定义具有二异性,烦请帮忙解决。vb版的人只顾抢分了,所以请vc版的高手指教。
解决方案 »
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HWND hWndParent, // handle to parent window
POINT Point // structure with point coordinates
);
Public Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Const WM_COMMAND = &H111
'模块 '控件自己加
Public Sub sendQQ()
On Error GoTo awf
If Form3.List1.ListIndex = -1 Then Exit Sub
Form3.List1.ListIndex = i
i = i + 1
If i > Form3.List1.ListCount - 1 Then i = 0
Dim attrib, attrib2, Fhawn, aaa As Long
attrib = FindWindow(vbNullString, "发送消息")
attrib2 = FindWindow(vbNullString, "对话模式")
If attrib <> 0 Then
Fhawn = attrib
aaa = ChildWindowFromPoint(Fhawn, 200, 150)
If Form3.List1.Text <> "" Then
SendMessage aaa, WM_SETTEXT, 1004, ByVal Form3.List1.Text
SendMessage attrib, WM_COMMAND, 1, 0
End If
End If
If attrib2 <> 0 Then
Fhawn = attrib2
aaa = ChildWindowFromPoint(Fhawn, 218, 317)
If Form3.List1.Text <> "" Then
SendMessage aaa, WM_SETTEXT, 1004, ByVal Form3.List1.Text
SendMessage attrib2, WM_COMMAND, 1, 0
End If
End If
awf:
Exit Sub
i = 0
End Sub