method Edit.DeleteExpression (Expression as String)
Deletes an expression from expressions collection.

TypeDescription
Expression as String A string expression that defines the expression being deleted. The Expression parameter must NOT include HTML tags. For instance, if your expression is "<b>/*</b>" the name of the expression is "/*" not "<b>/*</b>"

Use the DeleteExpression method to remove a particular expression into a sensitive control. The DeleteExpression method has effect if the control's EditType method is exSensitive. For instance, if you defined an expression AddExpression("<b>//</b>" ), the DeleteExpression("//") should be called, else the expression will not be removed. Call the Refresh method to reflect changes in the control. Use the ClearExpressions method to remove the entire collection of expressions. The DeleteExpression method deletes also the list of prefixes defined by the IgnorePrefixInExpression property.