property ExplorerTree.DelayScroll as Long
Specifies the delay used when user selects a group.

TypeDescription
Long A long expression that indicates the delay used by the control when a new group is selected.

By default, the DelayScroll property is 50. If the DelayScroll property is not zero, the groups shows by animation when a group is being expanded or collapsed. If the DelayScroll property is 0, the group's view is shown directly whit no animation.