public static extern uint PdhValidatePathEx(PdhSafeDataSourceHandle hDataSource, string szFullPathBuffer);
public static extern uint PdhExpandWildCardPathHW(PdhSafeDataSourceHandle hDataSource, string szWildCardPath, IntPtr mszExpandedPathList, ref IntPtr pcchPathListLength, uint dwFlags);
public static extern uint PdhBindInputDataSource(out PdhSafeDataSourceHandle phDataSource, string szLogFileNameList);