SimpleSelectInput(options: List<StringPair>? = null, value: String? = null, emptyOption: Boolean = false, multiple: Boolean = false, selectSize: Int? = null, classes: Set<String> = setOf())
options - an optional list of options (value to label pairs) for the select control
emptyOption - determines if an empty option is automatically generated
multiple - allows multiple value selection (multiple values are comma delimited)
selectSize - the number of visible options
classes - a set of CSS class names
Constructor