Rich Edit Notification Messages

Rich edit controls support most of the notification messages used with edit controls, plus the following notification messages. A rich edit control sends the following notification messages only if they have been enabled by using the EM_SETEVENTMASK message.

EN_CORRECTTEXT
EN_DROPFILES
EN_IMECHANGE
EN_MSGFILTER
EN_OLEOPFAILED
EN_PROTECTED
EN_REQUESTRESIZE
EN_SAVECLIPBOARD
EN_SELCHANGE
EN_STOPNOUNDO