'宣言 Public Shared Function PieSliceContainsPoint( _ ByVal targetPoint As Point, _ ByVal center As Point, _ ByVal startAngleRad As Double, _ ByVal endAngleRad As Double, _ ByVal radius As Double, _ ByVal innerRad As Double _ ) As Boolean
public static bool PieSliceContainsPoint( Point targetPoint, Point center, double startAngleRad, double endAngleRad, double radius, double innerRad )