'宣言 Public Shared Function IsPointNearBezierSegment( _ ByVal targetPoint As Point, _ ByVal currStart As Point, _ ByVal currSegment As BezierSegment, _ ByVal closeness As Double _ ) As Tuple(Of Boolean,Point)
public static Tuple<bool,Point> IsPointNearBezierSegment( Point targetPoint, Point currStart, BezierSegment currSegment, double closeness )