public long GetFilesSummary(out CounterFileInfo summary) { IntPtr pdwNumEntries = new IntPtr(0); PDH_TIME_INFO structure = new PDH_TIME_INFO(); IntPtr pdwBufferSize = new IntPtr(Marshal.SizeOf(structure)); long num = PdhGetDataSourceTimeRangeH(this.m_hDataSource, ref pdwNumEntries, ref structure, ref pdwBufferSize); if (num != 0) { summary = new CounterFileInfo(); return(num); } summary = new CounterFileInfo(new DateTime(DateTime.FromFileTimeUtc(structure.StartTime).Ticks, DateTimeKind.Local), new DateTime(DateTime.FromFileTimeUtc(structure.EndTime).Ticks, DateTimeKind.Local), structure.SampleCount); return(num); }
public long SetQueryTimeRange(DateTime startTime, DateTime endTime) { PDH_TIME_INFO pInfo = new PDH_TIME_INFO(); if ((startTime != DateTime.MinValue) && (startTime.Kind == DateTimeKind.Local)) { startTime = new DateTime(startTime.Ticks, DateTimeKind.Utc); } pInfo.StartTime = (startTime == DateTime.MinValue) ? 0L : startTime.ToFileTimeUtc(); if ((endTime != DateTime.MaxValue) && (endTime.Kind == DateTimeKind.Local)) { endTime = new DateTime(endTime.Ticks, DateTimeKind.Utc); } pInfo.EndTime = (endTime == DateTime.MaxValue) ? 0x7fffffffffffffffL : endTime.ToFileTimeUtc(); pInfo.SampleCount = 0; return(PdhSetQueryTimeRange(this.m_hQuery, ref pInfo)); }
public long SetQueryTimeRange(DateTime startTime, DateTime endTime) { PDH_TIME_INFO pInfo = new PDH_TIME_INFO(); if ((startTime != DateTime.MinValue) && (startTime.Kind == DateTimeKind.Local)) { startTime = new DateTime(startTime.Ticks, DateTimeKind.Utc); } pInfo.StartTime = (startTime == DateTime.MinValue) ? 0L : startTime.ToFileTimeUtc(); if ((endTime != DateTime.MaxValue) && (endTime.Kind == DateTimeKind.Local)) { endTime = new DateTime(endTime.Ticks, DateTimeKind.Utc); } pInfo.EndTime = (endTime == DateTime.MaxValue) ? 0x7fffffffffffffffL : endTime.ToFileTimeUtc(); pInfo.SampleCount = 0; return PdhSetQueryTimeRange(this.m_hQuery, ref pInfo); }
private static extern long PdhSetQueryTimeRange(PdhSafeQueryHandle hQuery, ref PDH_TIME_INFO pInfo);
private static extern long PdhGetDataSourceTimeRangeH(PdhSafeDataSourceHandle hDataSource, ref IntPtr pdwNumEntries, ref PDH_TIME_INFO pInfo, ref IntPtr pdwBufferSize);
public long GetFilesSummary(out CounterFileInfo summary) { IntPtr pdwNumEntries = new IntPtr(0); PDH_TIME_INFO structure = new PDH_TIME_INFO(); IntPtr pdwBufferSize = new IntPtr(Marshal.SizeOf(structure)); long num = PdhGetDataSourceTimeRangeH(this.m_hDataSource, ref pdwNumEntries, ref structure, ref pdwBufferSize); if (num != 0) { summary = new CounterFileInfo(); return num; } summary = new CounterFileInfo(new DateTime(DateTime.FromFileTimeUtc(structure.StartTime).Ticks, DateTimeKind.Local), new DateTime(DateTime.FromFileTimeUtc(structure.EndTime).Ticks, DateTimeKind.Local), structure.SampleCount); return num; }
public uint SetQueryTimeRange(DateTime startTime, DateTime endTime) { Debug.Assert(_hQuery != null); Debug.Assert(endTime >= startTime); PDH_TIME_INFO pTimeInfo = new PDH_TIME_INFO(); if (startTime != DateTime.MinValue && startTime.Kind == DateTimeKind.Local) { startTime = new DateTime(startTime.Ticks, DateTimeKind.Utc); } pTimeInfo.StartTime = (startTime == DateTime.MinValue) ? 0 : startTime.ToFileTimeUtc(); if (endTime != DateTime.MaxValue && endTime.Kind == DateTimeKind.Local) { endTime = new DateTime(endTime.Ticks, DateTimeKind.Utc); } pTimeInfo.EndTime = (endTime == DateTime.MaxValue) ? Int64.MaxValue : endTime.ToFileTimeUtc(); pTimeInfo.SampleCount = 0; return PdhSetQueryTimeRange(_hQuery, ref pTimeInfo); }
public uint GetFilesSummary(out CounterFileInfo summary) { IntPtr pNumEntries = new IntPtr(0); PDH_TIME_INFO pInfo = new PDH_TIME_INFO(); IntPtr bufSize = new IntPtr(System.Runtime.InteropServices.Marshal.SizeOf(pInfo)); uint res = PdhGetDataSourceTimeRangeH(_hDataSource, ref pNumEntries, ref pInfo, ref bufSize); if (res != 0) { summary = new CounterFileInfo(); return res; } summary = new CounterFileInfo(new DateTime(DateTime.FromFileTimeUtc(pInfo.StartTime).Ticks, DateTimeKind.Local), new DateTime(DateTime.FromFileTimeUtc(pInfo.EndTime).Ticks, DateTimeKind.Local), pInfo.SampleCount); return res; }
private static extern long PdhSetQueryTimeRange(PdhSafeQueryHandle hQuery, ref PDH_TIME_INFO pInfo);
private static extern long PdhGetDataSourceTimeRangeH(PdhSafeDataSourceHandle hDataSource, ref IntPtr pdwNumEntries, ref PDH_TIME_INFO pInfo, ref IntPtr pdwBufferSize);