Input packet provided to the GRADD in the GHI_CMD_MOVEPTR function.
typedef struct _HWMOVEPTRIN {
ULONG ulLength; /* Size of the HWMOVEPTRIN data structure, in bytes. */
POINTL ptlPos; /* Pointer to video screen coordinate of pointer hot spot. */
} HWMOVEPTRIN;
typedef HWMOVEPTRIN *PHWMOVEPTRIN;