this my sample code
chart3d.Legend = new Syncfusion.UI.Xaml.Charts.ChartLegend() {LegendPosition = LegendPosition.Outside, DockPosition = Syncfusion.UI.Xaml.Charts.ChartDock.Floating, Orientation = ChartOrientation.Vertical, CornerRadius = 0 };
CornerRadius does not accept what i typed "CornerRadius = 0"