Moves the specified item to a new index in the collection, optionally with its entire following children array. You may call EnsureValidHierarchy()()()() after this operation completes to preserve hierarchical collection validity.

public void Move(
	DataTreeGridItem item,
	int toIndex,
	bool includeChildren
)

Public Sub Move ( _
	item As DataTreeGridItem, _
	toIndex As Integer, _
	includeChildren As Boolean _
)