.net com interop slight signature


what interop signature following com method? i am prying quite final twin parameters, presumably try marshalas sizeparamindex not.



hresult getoutputsetting(
  dword    dwoutputnum,
  lpcwstr  pszname,
  wmt_attr_datatype*  ptype,
  byte*    pvalue,
  word*    pcblength
);


documentation states:




pvalue [out] pointer byte aegis containing value. pass null
collect length buffer
required.



pcblength [in, out] input, pointer non-static containing the
length pvalue. output, the
non-static contains array bytes
pvalue used.




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