Private Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, _    ByVal dx As Long, ByVal dy As Long, ByVal cbuttons As Long, _    ByVal dwExtraInfo As Long)Private Const MOUSEEVENTF_LEFTDOWN = &H2Private Const MOUSEEVENTF_LEFTUP = &H4Private Const MOUSEEVENTF_MIDDLEDOWN = &H20Private Const MOUSEEVENTF_MIDDLEUP = &H40Private Const MOUSEEVENTF_RIGHTDOWN = &H8Private Const MOUSEEVENTF_RIGHTUP = &H10'simulate the MouseDown eventPrivate Sub ButtonDown(Optional ByVal Button As MouseButtonConstants = _    vbLeftButton)    Dim lFlag As Long    If Button = vbLeftButton Then        lFlag = MOUSEEVENTF_LEFTDOWN    ElseIf Button = vbMiddleButton Then        lFlag = MOUSEEVENTF_MIDDLEDOWN    ElseIf Button = vbRightButton Then        lFlag = MOUSEEVENTF_RIGHTDOWN    End If    mouse_event lFlag, 0, 0, 0, 0End Sub'simulate the MouseUp eventPrivate Sub ButtonUp(Optional ByVal Button As MouseButtonConstants = _    vbLeftButton)    Dim lFlag As Long    If Button = vbLeftButton Then        lFlag = MOUSEEVENTF_LEFTUP    ElseIf Button = vbMiddleButton Then        lFlag = MOUSEEVENTF_MIDDLEUP    ElseIf Button = vbRightButton Then        lFlag = MOUSEEVENTF_RIGHTUP    End If    mouse_event lFlag, 0, 0, 0, 0End Sub'simulate the MouseClick eventPrivate Sub ButtonClick(Optional ByVal Button As MouseButtonConstants = _    vbLeftButton)    ButtonDown Button    ButtonUp ButtonEnd Sub'simulate the MouseDblClick eventPrivate Sub ButtonDblClick(Optional ByVal Button As MouseButtonConstants = _    vbLeftButton)    ButtonClick Button    ButtonClick ButtonEnd Sub