.NET Manipulating and Display an SVG on a WinForm

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I would like to display an SVG File on a WinForm application.

I installed the SVG.NET package and was able to place the SVG on the form all good from that standpoint. The SVG is the image of a race track and I would like to display a circle to indicate a certain percentage a car is on the path. Someone shared some code with me in JavaScript that does basically what I want to do but haven't been able to figure it out using the SVG.NET package. Below is the link to jsfiddle that does basically what I want to do but I don't understand the SVG format enough to know how to go about doing this.

Any help would be appreciated.

https://jsfiddle.net/rickyt29/ydfLcwm5/16/