elementObj.SelectRange(start_range, end_range);
start_range
is the text or the ordinal position of the first option in the range to be selected.end_range
is the text or the ordinal position of the last option in the range to be selected.// Assume nativeList is a <select multiple> HTML element.
// Select the first two items in the multiple selection list-box control.
var coreObj = new ActiveXObject("OpenTwebst.Core");
var list = coreObj.AttachToNativeElement(nativeList);
list.SelectRange(0, 1);