Binaryworld - MouseX, MouseY - Get mouse coordinates, relative to the screen or a wi ... [ VB -> Keyboard-Mouse ]

Private Type POINTAPI
  X As Long
  Y As Long
End Type
Private Declare Function GetCursorPos Lib "user32" (lpPoint As POINTAPI) As Long
Private Declare Function ScreenToClient Lib "user32" (ByVal hWnd As Long, _
  lpPoint As POINTAPI) As Long

' Get mouse X coordinates in pixels
'
' If a window handle is passed, the result is relative to the client area
' of that window, otherwise the result is relative to the screen

Function MouseX(Optional ByVal hWnd As Long) As Long
  Dim lpPoint As POINTAPI
  GetCursorPos lpPoint
  If hWnd Then ScreenToClient hWnd, lpPoint
  MouseX = lpPoint.X
End Function

' Get mouse Y coordinates in pixels
'
' If a window handle is passed, the result is relative to the client area
' of that window, otherwise the result is relative to the screen

Function MouseY(Optional ByVal hWnd As Long) As Long
  Dim lpPoint As POINTAPI
  GetCursorPos lpPoint
  If hWnd Then ScreenToClient hWnd, lpPoint
  MouseY = lpPoint.Y
End Function