typedef struct tACMFILTERCHOOSEA
{
    DWORD           cbStruct;           
    DWORD           fdwStyle;           

    HWND            hwndOwner;          

    LPWAVEFILTER    pwfltr;             
    DWORD           cbwfltr;            

    LPCSTR          pszTitle;

    char            szFilterTag[ACMFILTERTAGDETAILS_FILTERTAG_CHARS];
    char            szFilter[ACMFILTERDETAILS_FILTER_CHARS];
    LPSTR           pszName;            
    DWORD           cchName;            

    DWORD           fdwEnum;            
    LPWAVEFILTER    pwfltrEnum;         
    
    HINSTANCE       hInstance;          
    LPCSTR          pszTemplateName;    
    LPARAM          lCustData;          
    ACMFILTERCHOOSEHOOKPROCA pfnHook;    

} ACMFILTERCHOOSEA, *PACMFILTERCHOOSEA, FAR *LPACMFILTERCHOOSEA;