I can use Polyline() GDI function to plot values to create a graph but now I want the lower part of it filled in to create a mountain type chart. Is there something built-in to help create that? (I don't need gradient, but that would be a nice touch).

TIA!!

CodePudding user response：

For this diagram type you need to draw a

Note that on a HiDpi display device GDI rendering gets auto-scaled. This produces the following:

Looking closely you'll observe that the lines are wider than 1 device pixel. If you'd rather have a more crisp look, you can disable DPI virtualization by declaring the application as