In this example the pointer is kept hidden until mouse activity is detected. The WinWaitMsg call is used to wait for any mouse message.

#define INCL_WINWINDOWMGR
#define INCL_WINPOINTERS
#define INCL_WINDESKTOP
#define INCL_WININPUT
#include <OS2.H>

HWND hwnd;
HPOINTER hpointer;
HAB hab;

/* Get the pointer handle */
hpointer = WinQueryPointer(HWND_DESKTOP);

/* Hide the mouse */
WinShowPointer(hwnd,FALSE);

/* All the mouse messages from WM_MOUSEFIRST */
/* to WM_BUTTON3DBLCLK inclusive             */
WinWaitMsg(hab,
           WM_MOUSEFIRST,
           WM_BUTTON3DBLCLK);

/* If there has been any mouse activity, show the mouse */
WinShowPointer(hwnd,TRUE);