how to draw this in xamarin.android

Question

there is two points to one circle how to draw it?

I am using canvas in OnDraw

points:(p0x,p0y)and (p1x,p1y) and the center of the circle is (x,y)

how to draw the line and the circle?
I know how to draw circle but I do not want to draw the rest of the circle.

you can see it .point to circle's tagent and the circle.