确定指定的曲线是否闭合(即起点与终点相同) 支持的平台:仅窗口 签名(vlax-curve-isClosed curve-obj)
返回值类型:T 或零 T如果曲线闭合;否则。nil 例子确定用于演示的椭圆是否闭合:vlax-curve-getArea (vlax-curve-isClosed ellipseObj) T 确定用于演示的样条是否闭合:vlax-curve-getDistAtParam (vlax-curve-isClosed splineObj) nil |
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