Orientation

By default orientation of SfBulletGraph is horizontal. It can be customized by using Orientation property respectively.

<syncfusion:SfBulletGraph Orientation="Vertical">
    </syncfusion:SfBulletGraph>
SfBulletGraph bulletgraph = new SfBulletGraph();
     bulletgraph.Orientation = Orientation.Vertical;
     this.Grid.Children.Add(bulletgraph);