void FillGraph()
{
Graph.DataSource.ClearCategory("Category1");
for (int i = 0; i < Bar.DataSource.TotalCategories; i++)
{
string categoryName = Bar.DataSource.GetCategoryName(i);
for (int j = 0; j < Bar.DataSource.TotalGroups; j++)
{
string groupName = Bar.DataSource.GetGroupName(j);
Vector3 position;
Bar.GetBarTrackPosition(categoryName, groupName, out position); // find the position of the top of the bar chart
double x, y;
Graph.PointToClient(position, out x, out y); // convert it to graph coordinates
Graph.DataSource.AddPointToCategory("Category1", x, Random.value * 10f); // drop the y value and set your own value
}
}
}