The DSelector class is the control class for selector controls. These allow the user to select an item from a list.
Handles the selector's input, allowing the user to select items in the list.
Sets up the control's size.
Returns the index of specified string in the list of items. If the string is not an item in the list, it returns -1.
Returns string at the specified position in the list.
Increments the selected item's index by amount.
Decrements the selected item's index by amount.