vb sendmessage 改变textbox中text

zhaizhaoxuan 2008-12-20 12:10:25

Const WM_SETTEXT = &HC

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 Sub Form_Load()

SendMessage Text1.hwnd, WM_SETTEXT, 0, "@"

End Sub

不行哦

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wap21 2008-12-20

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Hotus 2008-12-20

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Const WM_SETTEXT = &HC
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 Sub Command1_Click()
SendMessage Text1.hwnd, WM_SETTEXT, 0, ByVal "@"
End Sub

就行了