/decorator /Row Loading Decorator()
RowLoadingDecorator instance — end-users will never need to do
this as grids are constructed based on their configurations in XML definition files by the
RowLoadingDecorator provides a loading image (e.g. a spinner) in rows that do
not yet have data. The image that will be used is configured by defining the background image for
loadingRow class. When the row has received its data, the loading image is
All Data Received()
This callback is invoked when data has been received for all requested rows
Scroll(nScroll Amount, nPrevious Start Index)
Optional. Called when the view is scrolled.
the total height in pixels from the start index.
the index of the first visible row from the last load.