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微软未公开API【NtQuerySystemInformation】函数
- IN OUT PVOID SystemInformation, IN ULONG SystemInformationLength, OUT PULONG ReturnLength OPTIONAL); NTQUERYSYSTEMINFORMATION NtQuerySystemInformation; 从中可以看到,SystemInformationClass是一个类型信息,它大概提供了50余种信息,也就是我们可以通过这个函数对大约50
WTM
- a simple demo program uses NATIVE APIs ( that is , from NTDLL.DLL, espicially NtQuerySystemInformation API) good to learn how to use NATIVE APIs this demo shows current memory usage, pageing status and freedisk space.