创建弧形多段线(polyline)
Imports ZwSoft.ZwCAD.RuntimernImports ZwSoft.ZwCAD.ApplicationServicesrnImports ZwSoft.ZwCAD.DatabaseServicesrnImports ZwSoft.ZwCAD.GeometryrnImports ZwSoft.ZwCAD.EditorInputrnrnrnPublic Class ZwAppsr
Imports ZwSoft.ZwCAD.RuntimernImports ZwSoft.ZwCAD.ApplicationServicesrnImports ZwSoft.ZwCAD.DatabaseServicesrnImports ZwSoft.ZwCAD.GeometryrnImports ZwSoft.ZwCAD.EditorInputrnrnrnPublic Class ZwAppsr