TChartType Enumeration Chart style. Syntax Unit: FlexCel.Core Members Name Value Description Unknown 0 FlexCel cannot determine the chart type. Area 1 Area chart. Bar 2 Bar chart. Line 3 Line chart. Pie 4 Pie chart. Radar 5 Radar chart. Scatter 6 Scatter chart. Surface 7 Surface chart. Stock 8 Stock chart. Bubble 9 Bubble chart.