Enables spell checking of the content using the system language.
Erroneous words will be underlined with a red dashed line. Users can right-click dashed lines for further options.
Rich Edit Identifier: EM_SETLANGOPTIONS
Default: False
Note: ◼Calling this property will override LanguageOptions, so it should be enabled before LanguageOptions ◼The Spell checking will pop-up menu will clash with a pop-up menu if you specify one. PopupMenuAuto will be automatically disabled
procedure TMainForm.btnSpellCheckingClick(Sender: TObject); begin // Show squiggly lines under misspelled words? IERichEdit1.SpellChecking := btnSpellChecking.Down; end;