'WPF line hittest tolerance

I have a canvas where i draw a Line during mouse move. After I have the line, I want to show an overlay when the mouse is over/near the line. I know that I can use the MouseEnter and MouseLeave events from the Line object, but this is really hard when the Line object was created with a StrokeThickness of 1px. So how can I increase the MouseEnter or MouseLeave area to show my overlay even if the mouse pointer is not exactly on the line itself (some defined area around)?

c++sharpwpfuser-interfacewpf-controls


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