If Button = acLeftButton And (Shift And acShiftMask) Then
MsgBox "Shift-Left click!"
ElseIf Button = acRightButton And (Shift And acShiftMask) Then
MsgBox "Shift-Right click!"
DoCmd.CancelEvent
ElseIf Button = acMiddleButton And (Shift And acShiftMask) Then
MsgBox "Shift - Middle click!"
End If
shift tuşuna basılı tutarak tıklama kodu.