Fix a mouse bug for hide the cursor. It is working now with my test code for ShowCursor and NtShowCursor. The code for it is not finish. 
and it also working now hide the mouse with EngMovePointer(SurfObj,-1,-1,NULL); and that did not work before.

Modified: trunk/reactos/subsys/win32k/eng/mouse.c

--- trunk/reactos/subsys/win32k/eng/mouse.c	2005-12-30 19:14:58 UTC (rev 20465)
+++ trunk/reactos/subsys/win32k/eng/mouse.c	2005-12-30 20:15:07 UTC (rev 20466)
@@ -72,14 +72,14 @@

       tmp = HazardY2; HazardY2 = HazardY1; HazardY1 = tmp;
     }
 

-  ppdev->SafetyRemoveCount++;
-
-  if (ppdev->SafetyRemoveLevel)

+  if (ppdev->SafetyRemoveLevel != 0)

     {

-      /* already hidden */

+      ppdev->SafetyRemoveCount++;

       return FALSE;
     }
 

+ ppdev->SafetyRemoveCount++;
+

   if (pgp->Exclude.right >= HazardX1
       && pgp->Exclude.left <= HazardX2
       && pgp->Exclude.bottom >= HazardY1