The _STRING_COUNTER_HEADER structure is used in a counter string header block.

 typedef struct _STRING_COUNTER_HEADER {
   DWORD dwCounterId;
   DWORD dwOffset;

dwCounterId: The CounterId of the performance counter.

dwOffset: The offset from the end of the set of _STRING_COUNTER_HEADER structures to which this structure belongs to its corresponding name or description. For more information, see figure 2 in section