Platform SDK: Performance Monitoring

PdhGetDllVersion

The PdhGetDllVersion function returns the version of the currently installed Pdh.dll file.

PDH_FUNCTION PdhGetDllVersion(
  LPDWORD lpdwVersion           
);

lpdwVersion

[out] A pointer to a DWORD that receives the version of Pdh.dll. This parameter can be one of the following values.

Value	Description
PDH_CVERSION_WIN40	The file version is Windows NT 4.0.
PDH_CVERSION_WIN50	The file version is Windows 2000.

If the function succeeds, it returns ERROR_SUCCESS.

If the function fails, the return value is a PDH error status defined in PDHMsg.h. The following are possible error values.

Error value	Description
PDH_INVALID_ARGUMENT	An argument is not correct or is incorrectly formatted.

This function is used to help in determining the functionality the currently installed version of Pdh.dll supports.

  Windows NT/2000: Requires Windows NT 4.0 or later.
  Header: Declared in Pdh.h.
  Library: Use Pdh.lib.