The following structures are used with rich edit controls.
CHARFORMAT
CHARRANGE
COMPCOLOR
EDITSTREAM
ENCORRECTTEXT
ENDROPFILES
ENOLEOPFAILED
ENPROTECTED
ENSAVECLIPBOARD
FINDTEXT
FINDTEXTEX
FORMATRANGE
MSGFILTER
PARAFORMAT
PUNCTUATION
REOBJECT
REPASTESPECIAL
REQRESIZE
SELCHANGE
TEXTRANGE