LanguageSettings Property
Returns a OWCLanguageSettings object, which contains information about the language settings in the specified Spreadsheet or Chart Workspace control.
expression.LanguageSettings
expression Required. An expression that returns a ChartSpace or a Spreadsheet object.
Example
The following example displays the locale identifier (LCID) for the currentl language used for the user interface by Spreadsheet1.
MsgBox Spreadsheet1.LanguageSettings.LanguageID(msoLanguageIDUI)