You can use the Expression1 and Expression2 properties to return the values of a conditional format within a FormatCondition object.
Setting
The Expression1 and Expression2 properties are available only by using Visual Basicand are read-only.
Conditional formatting can also be set on a combo box or text box from the Conditional Formatting dialog box. The Conditional Formatting dialog box is available by clicking Conditional Formatting on the Format menu when a form is in Design view.