填充用的闭合区域中的边的曲线类型

[uuid(23FB43AF-2D24-4EB5-A9E3-08420E7F5D57), helpstring("HatchEdgeType")]
enum HatchEdgeType {
  mcLine = 1,
  mcCirArc = 2,
  mcEllArc = 3,
  mcSpline = 4
};