A Calendar user interface component with a tabular display for choosing the date,
a combo box to choose the month and a validated TextField to enter the year
RSRFileField - A UI control that displays the file selected by the user
Comes with a TextField to contain the selected file path and a button to
launch a File Dialog.
This method sets whether the user pressed OK or Cancel by referring
to them using the constants OK_OPTION and CANCEL_OPTION respectively
of the interface RSRConstants