Rich Edit Control Event Mask Flags

The event mask specifies which notification messages a rich edit control sends its parent window. The event mask can be zero or more of these values:

Value
Meaning
ENM_CHANGE
Sends EN_CHANGE notifications.
ENM_CORRECTTEXT
Sends EN_CORRECTTEXT notifications.
ENM_DROPFILES
Sends EN_DROPFILES notifications.
ENM_KEYEVENTS
Sends EN_MSGFILTER notifications for keyboard events.
ENM_MOUSEEVENTS
Sends EN_MSGFILTER notifications for mouse events.
ENM_PROTECTED
Sends EN_PROTECTED notifications.
ENM_RESIZEREQUEST
Sends EN_REQUESTRESIZE notifications.
ENM_SCROLL
Sends EN_HSCROLL notifications.
ENM_SELCHANGE
Sends EN_SELCHANGE notifications.
ENM_UPDATE
Sends EN_UPDATE notifications.

The default event mask is ENM_NONE in which case no notification messages are sent to the parent window. You can retrieve and set the event mask for a rich edit control by using the ENM_GETEVENTMASK and ENM_SETEVENTMASK messages.

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