property ChartView.IndentSiblingY as Long
Specifies the vertical distance, in pixels between two siblings node.

TypeDescription
Long A long expression that specifies the vertical distance, in pixels between two siblings node.
By default, the IndentSiblingY property is 15 pixels. The PenLink property defines the width of the pen used to paint the links between nodes. If the PenLink property is larger than 1, its value counts when the control indents vertically the sibling nodes. Use the IndentSiblingX property to indent horizontally the sibling nodes. The IndentChild property retrieves or sets the amount, in pixels, that child nodes are indented relative to their parent nodes, which has effect if the ArrangeSiglingNodesAs property is exTree. 

The indent properties work differently based on the Layout property as follows: