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#include <windows.h>
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR ipCmdLine,int nShowCmd)
{
LARGE_INTEGER a,b;
a.QuadPart = 100;
a.QuadPart *= 10000000000000000;
b.QuadPart = a.QuadPart;
if(b.QuadPart > 1000)
// {
// DbgPrint("b.QuadPart < 1000, LowPart = %d HighPart = %d", b.LowPart,b.HighPart);
// }
return 0;
}
单独访问 a.QuadPart时整体，如果是32位自动放入低位中LowPart，超过后自动扩展到HighPart
可以去单独的也可以取到整体。
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原文地址：http://www.cnblogs.com/Browneyes/p/4571134.html
