Options.CheckGrammarAsYouType Property (Word)
Published: July 16, 2012
True if Word checks grammar and marks errors automatically as you type. Read/write Boolean.
This property marks grammatical errors, but to see them on screen, you must set the ShowGrammaticalErrors property to True.
This example sets Word to check for grammatical errors as you type and to display any errors found in the active document.
This example returns the status of the Check grammar as you type option on the Spelling & Grammar tab in the Options dialog box (Tools menu).