CM_Delete_Class_Key function (cfgmgr32.h)

The CM_Delete_Class_Key function removes the specified installed device class from the system.

Syntax

CMAPI CONFIGRET CM_Delete_Class_Key(
  [in] LPGUID ClassGuid,
  [in] ULONG  ulFlags
);

Parameters

[in] ClassGuid

Pointer to the GUID of the device class to remove.

[in] ulFlags

Delete class key flags:

CM_DELETE_CLASS_ONLY

Delete the class only if it does not contain any subkeys.

CM_DELETE_CLASS_SUBKEYS

Delete the class and all of its subkeys.

CM_DELETE_CLASS_INTERFACE (available only in Windows Vista and later)

Indicates that ClassGuid specifies a device interface class and not a device setup class.

Return value

If the operation succeeds, the function returns CR_SUCCESS. Otherwise, it returns one of the CR_-prefixed error codes defined in Cfgmgr32.h.

Requirements

See also

CM_Open_Class_Key