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 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; }