windows任务管理器代码-2017年11月.doc

windows任务管理器代码 via windows: 通过NtQuerySystemInfomation Native API 实现 sample code: Header: taskmgr.h #include stdio.h #include windows.h #define STATUS_INFO_LENGTH_MISMATCH ((NTSTATUS)0xC0000004) typedef LONG NTSTATUS; #define Li2Double(x) ((double)((x).HighPart) * 4.294967296E9 + (double)((x).LowPart)) /* 2007-10-8 modified by wanfustudio // if you ll use this code without m$ sdk you should add this definition typedef struct _IO_COUNTERS { ULONGLONG ReadOperationCount; ULONGLONG WriteOperationCount; ULONGLONG OtherOperationCount; ULONGLONG ReadTransferCount; ULONGLONG WriteTransferCount; ULONGLONG OtherTransferCount; } IO_COUNTERS, *PIO_COUNTERS;*/ typedef struct _SYSTEM_HANDLE_ENTRY { ULONG OwnerPid; BYTE ObjectType; BYTE HandleFlags; USHORT HandleValue; PVOID ObjectPointer; ULONG AccessMask; } SYSTEM_HANDLE_ENTRY, *PSYSTEM_HANDLE_ENTRY; typedef struct _SYSTEM_HANDLE_INFORMATION { ULONG Count; SYSTEM_HANDLE_ENTRY Handle[1]; } SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION; typedef struct _SYSTEM_CACHE_INFORMATION { ULONG CurrentSize; ULONG PeakSize; ULONG PageFaultCount; ULONG MinimumWorkingSet; ULONG MaximumWorkingSet; ULONG unused[4]; } SYSTEM_CACHE_INFORMATION, *PSYSTEM_CACHE_INFORMATION; typedef struct _PERFDATA { WCHAR ImageName[MAX_PATH]; DWORD ProcessId; WCHAR UserName[MAX_PATH]; ULONG SessionId; ULONG CPUUsage; LARGE_INTEGER CPUTime; ULONG WorkingSetSizeBytes; ULONG PeakWorkingSetSizeBytes; ULONG WorkingSetSizeDelta; ULONG PageFaultCount; ULONG PageFaultCountDelta; ULONG VirtualMemorySizeBytes; ULONG PagedPoolUsagePages; ULONG NonPagedPoolUsagePages; ULONG BasePriority; ULONG HandleCount; ULONG ThreadCount; ULONG USERObjectCount; ULONG GDIObjectCount; IO_COUNTERS IOCounters; LARGE_INTEGER UserTime; LARGE_INTEGER KernelTime; } PERFDATA, *PPERFDATA; typedef struct { LARGE_INTE