Hiding the mouse cursor
If you want to temporarily hide the cursor in your application, you can use this code:
Author: Donovan Olivier

Declare Function ShowCursor Lib "User" (ByVal bShow As Integer) As Integer

Dim lReturn As Long 

' To hide the cursor:
Do
   lReturn = ShowCursor(False)
Loop Until lReturn < 0

' To show the cursor: 
Do
   lReturn = ShowCursor(True)
Loop Until lReturn >= 0