Mouse manipulation

     ' Returns the screen size in pixels or, optionally,
     ' in others scalemode styles
     Public Sub GetScreenRes(ByRef X As Long, ByRef Y As Long, Optional ByVal _
       ReportStyle As enReportStyle)
       X = GetSystemMetrics(SM_CXSCREEN)
       Y = GetSystemMetrics(SM_CYSCREEN)
       If Not IsMissing(ReportStyle) Then
         If ReportStyle <> rsPixels Then
           X = X * Screen.TwipsPerPixelX
           Y = Y * Screen.TwipsPerPixelY
           If ReportStyle = rsInches Or ReportStyle = rsPoints Then
             X = X \ TWIPS_PER_INCH
             Y = Y \ TWIPS_PER_INCH
             If ReportStyle = rsPoints Then
               X = X * POINTS_PER_INCH
               Y = Y * POINTS_PER_INCH
             End If
           End If
         End If
       End If
     End Sub

     ' Convert's the mouses coordinate system to
     ' a pixel position.
     Public Function MickeyXToPixel(ByVal mouseX As Long) As Long
       Dim X As Long
       Dim Y As Long
       Dim tX As Single
       Dim tmouseX As Single
       Dim tMickeys As Single
       
       GetScreenRes X, Y
       tX = X
       tMickeys = MOUSE_MICKEYS
       tmouseX = mouseX
       
       MickeyXToPixel = CLng(tmouseX / (tMickeys / tX))
       
     End Function

     ' Converts mouse Y coordinates to pixels
     Public Function MickeyYToPixel(ByVal mouseY As Long) As Long
       Dim X As Long
       Dim Y As Long
       Dim tY As Single
       Dim tmouseY As Single
       Dim tMickeys As Single
       
       GetScreenRes X, Y
       tY = Y
       tMickeys = MOUSE_MICKEYS
       tmouseY = mouseY
       
       MickeyYToPixel = CLng(tmouseY / (tMickeys / tY))
       
     End Function

     ' Converts pixel X coordinates to mickeys
     Public Function PixelXToMickey(ByVal pixX As Long) As Long
       Dim X As Long
       Dim Y As Long
       Dim tX As Single
       Dim tpixX As Single
       Dim tMickeys As Single
       
       GetScreenRes X, Y
       tMickeys = MOUSE_MICKEYS
       tX = X
       tpixX = pixX
       
       PixelXToMickey = CLng((tMickeys / tX) * tpixX)
     End Function

     ' Converts pixel Y coordinates to mickeys
     Public Function PixelYToMickey(ByVal pixY As Long) As Long
       Dim X As Long
       Dim Y As Long
       Dim tY As Single
       Dim tpixY As Single
       Dim tMickeys As Single
       
       GetScreenRes X, Y
       tMickeys = MOUSE_MICKEYS
       tY = Y
       tpixY = pixY
       
       PixelYToMickey = CLng((tMickeys / tY) * tpixY)
     End Function

     ' The function will center the mouse on a window
     ' or control with an hWnd property. No checking
     ' is done to ensure that the window is not obscured
     ' or not minimized, however it does make sure that
     ' the target is within the boundaries of the
     ' screen.
     Public Function CenterMouseOn(ByVal hwnd As Long) As Boolean
       Dim X As Long
       Dim Y As Long
       Dim maxX As Long
       Dim maxY As Long
       Dim crect As RECT
       Dim rc As Long
       GetScreenRes maxX, maxY
       rc = GetWindowRect(hwnd, crect)
       
       If rc Then
         X = crect.Left + ((crect.Right - crect.Left) / 2)
         Y = crect.Top + ((crect.Bottom - crect.Top) / 2)
         If (X >= 0 And X <= maxX) And (Y >= 0 And Y <= maxY) Then
           MouseMove X, Y
           CenterMouseOn = True
         Else
           CenterMouseOn = False
         End If
       Else
         CenterMouseOn = False
       End If
     End Function

     ' Simulates a mouse click
     Public Function MouseFullClick(ByVal MBClick As enButtonToClick) As Boolean
       Dim cbuttons As Long
       Dim dwExtraInfo As Long
       Dim mevent As Long
       
       Select Case MBClick
         Case btcLeft
           mevent = MOUSEEVENTF_LEFTDOWN Or MOUSEEVENTF_LEFTUP
         Case btcRight
           mevent = MOUSEEVENTF_RIGHTDOWN Or MOUSEEVENTF_RIGHTUP
         Case btcMiddle
           mevent = MOUSEEVENTF_MIDDLEDOWN Or MOUSEEVENTF_MIDDLEUP
         Case Else
           MouseFullClick = False
           Exit Function
       End Select
       mouse_event mevent, 0&, 0&, cbuttons, dwExtraInfo
       MouseFullClick = True
       
     End Function

     Public Sub MouseMove(ByRef xPixel As Long, ByRef yPixel As Long)
       Dim cbuttons As Long
       Dim dwExtraInfo As Long
       
       mouse_event MOUSEEVENTF_ABSOLUTE Or MOUSEEVENTF_MOVE, _
         PixelXToMickey(xPixel), PixelYToMickey(yPixel), cbuttons, dwExtraInfo
     End Sub