RNOTFOUND = &amp;H100B
    PDERR_DEFAULTDIFFERENT = &amp;H100C

    CFERR_CHOOSEFONTCODES = &amp;H2000
    CFERR_NOFONTS = &amp;H2001
    CFERR_MAXLESSTHANMIN = &amp;H2002

    FNERR_FILENAMECODES = &amp;H3000
    FNERR_SUBCLASSFAILURE = &amp;H3001
    FNERR_INVALIDFILENAME = &amp;H3002
    FNERR_BUFFERTOOSMALL = &amp;H3003

    CCERR_CHOOSECOLORCODES = &amp;H5000
End Enum

' Hook and notification support:
Private Type NMHDR
    hwndFrom As Long
    idfrom As Long
    code As Long
End Type
'// Structure use