This property returns the transfer operation enumerator value which represents creating a
copy of the dropped object and deleting the original object. The transfer operation
indicates the type of drop that would occur if the user dropped the object at this position.
function onDragStart()
{
var event = shell.currentEvent;
if (event)
{
event.operation = appUtils.TRANSFER_OPERATION_MOVE;
event.sourceData.addString("text/plain", "http://beta.aol.com");
// if you need internal drag events - use a meaningful (and unique) string as first param,
// such as (generic box drag type) application/x-array, (application type) CoplandMailMessage, etc
event.sourceData.addString("application/x-array", "oxArray data");
event.stopPropagation();
}
}