RegisterCMMW function (icm.h)

Associates a specified identification value with the specified color management module dynamic link library (CMM DLL). When this ID appears in a color profile, Windows can then locate the corresponding CMM so as to create a transform.


BOOL RegisterCMMW(
  PCWSTR pMachineName,
  DWORD  cmmID,



Reserved; must currently be set to NULL, until non-local registration is supported. This parameter is intended to point to the name of the machine on which a CMM DLL should be registered. A NULL pointer indicates the local machine.


Specifies the ID signature of the CMM registered with the International Color Consortium (ICC).


Pointer to the fully qualified path name of the CMM DLL.

Return value

If this function succeeds, the return value is TRUE.

If this function fails, the return value is FALSE. For extended error information, call GetLastError.


Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Header icm.h
Library Mscms.lib
DLL Mscms.dll

See also