Tree View Column - SortPosition Property
SortPosition determines the place of this column in the sort order
Member of Tree View Column (PRIM_TVCL)
Data Type - Integer
Details
SortPosition determines how the data is sorted within the list.
The column with a SortPosition of 1 will be the primary sort.
The sort heirarchy is dynamic. If a new column is added to the sort at position 1, all existing SortPositions will increment by 1.
Setting SortPosition to 0 will remove a column from the sort hierarchy.