TPieSeries.SliceHeight
TPieSeries
property SliceHeight: TSliceValueList;
Unit
Series
Description
Use SliceHeight array property to specify a different height for each pie slice.
By default all slices are displayed using the maximum height available ( 100% ).
// sets the first pie slice to display with half of the total height
Series1.SliceHeight[ 0 ]:= 50; // 50 %