PHP Class Prado\Web\UI\WebControls\TDataGridPageChangedEventParameter
TDataGridPageChangedEventParameter encapsulates the parameter data for
{@link TDataGrid::onPageIndexChanged PageIndexChanged} event of {@link TDataGrid} controls.
The {@link getCommandSource CommandSource} property refers to the control
that originally raises the OnCommand event, while {@link getNewPageIndex NewPageIndex}
returns the new page index carried with the page command.