ULARGE_INTEGER //一个64位的无符号整型值

The ULARGE_INTEGER structure is used to specify a 64-bit unsigned integer value.

//类型定义

typedef union _ULARGE_INTEGER {

struct {

DWORD LowPart;

DWORD HighPart;

};

ULONGLONG QuadPart;

} ULARGE_INTEGER;

Members

LowPart //低32位

Specifies the low-order 32 bits.

HighPart //高32位

Specifies the high-order 32 bits.

QuadPart //64位的无符号整型

Specifies a 64-bit unsigned integer.