+ void DoSetSelection(long from, long to, bool scrollCaret = true);
+
+ // return true if there is a non empty selection in the control
+ bool HasSelection() const;
+
+ // get the length of the line containing the character at the given
+ // position
+ long GetLengthOfLineContainingPos(long pos) const;
+
+ // send TEXT_UPDATED event, return true if it was handled, false otherwise
+ bool SendUpdateEvent();