If true, then this dialog displays an Apply button.
parameter CANCELBUTTON = 0;
If true, then this dialog displays a Cancel button.
parameter CLOSEONENTER = 1;
Allow popup to close as if clicking button "OK" when user presses the ENTER key.
Usually this parameter would be set to 1 if the dialog does not contain input fields.
parameter CLOSEONESC = 2;
Allow popup to close as if clicking button "Cancel" or "X" when user presses the ESC key.
If this parameter has value 0, the popup will not close when user presses ESC.
If this parameter has value 1, the popup will be dismissed (canceled) when user presses ESC.
If this parameter has value 2, and the popup has button "OK", the popup will close as if clicking "OK".
parameter PAGENAME = "Production Update";
Optional. This is the display name used for this page.
If not provided, the class name is used.
This callback is called after the server-side page
object and all of its children are created.
Subclasses can override this to add, remove, or modify
items within the page object model, or to provide values
for controls.