简易使用SendMessage,比SetFocus更为底层,调用速度快
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_SETFOCUS = &H7
SendMessage childhwnd, WM_SETFOCUS, 0, ByVal 0&
回答了，不给分，关闭问题，就你这样一点不尊重别人劳动成果的，有什么资格提问？
http://zhidao.baidu.com/question/305209022.html
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