onAreaDrag
fires when area selection is started
function onAreaDrag( // the id object of the left top cell, contains two properties: the row id and the column id start: object, // the id object of the right cell, contains two properties: the row id and the column id end: object, // object a native event object ev: Event): void
Example
Section titled “Example”dgrid.attachEvent("onAreaDrag", function(start, end, ev){ // some code here});