AutoFormatAsYouTypeReplaceSymbols Property
True if two consecutive hyphens (--) are replaced with an en dash (–) or an em dash (—) as you type. Read/write Boolean.
Note If the hyphens are typed with leading and trailing spaces, Word replaces the hyphens with an en dash; if there are no trailing spaces, the hyphens are replaced with an em dash.
Example
This example turns on the replacement of hyphens with symbols as you type.
Options.AutoFormatAsYouTypeReplaceSymbols = True
This example returns the status of the Symbol characters (--) with symbols (—) option on the AutoFormat As You Type tab in the AutoCorrect dialog box (Tools menu).
Dim blnAutoFormat as Boolean
blnAutoFormat = Options.AutoFormatAsYouTypeReplaceSymbols