typedef struct tagMIXERCAPS2W {
    WORD            wMid;                   
    WORD            wPid;                   
    MMVERSION       vDriverVersion;         
    WCHAR           szPname[MAXPNAMELEN];   
    DWORD           fdwSupport;             
    DWORD           cDestinations;          
    GUID            ManufacturerGuid;       
    GUID            ProductGuid;            
    GUID            NameGuid;               
} MIXERCAPS2W, *PMIXERCAPS2W, *LPMIXERCAPS2W;

typedef LPMIXERCAPS2W LPMIXERCAPS2;