var instance = new GC.Spread.Sheets.Print.PaperSize(widthOrKind, height);
var value; // Type: Object
value = instance.getPageSize(kind);

function getPageSize( 
   kind : PaperKind
) : Object;

The size which contains width and height of the paper.
size.width {number} The width of the size, in hundredths of an inch.
size.height {number} The height of the size, in hundredths of an inch.