typedef struct _LARGE_INTEGER { /* li */
DWORD LowPart;
LONG HighPart;
} LARGE_INTEGER, *PLARGE_INTEGER;
The LARGE_INTEGER structure is used to represent a 64-bit signed integer value.
LowPart
Specifies the low 32 bits.
HighPart
Specifies the high 32 bits.
ULARGE_INTEGER