Can WPF render a line path with 300,000 points on it in a performance-sensitive environment?

Question

A simple XY line graph: The X axis will represent the complete range of possible rating percentages, from 0% on one end to 100% on the other. Specifically, the X value will

Answer 1

I do not know the answer, but coding up a quick test shouldn't take much longer than it did for you to post. Also, see this thread for a similar discussion.