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_CBlineOk
Define a callback function on return event (when user presses return in a line-edit control)

ObjText _CBlineOk (
ObjText _text_
fun [ObjText u0 S] u1 _callback_
u0 _user_
)
Parameters

_text_
any text control
_callback_
callback function on return event (only for line-edit control)(supplemental parameter is the current content of the line-edit control)
_user_
user parameter
Return value

same text control