ArcGIS Pro线延长

ExtendFlags含义0

Default = 0========================================================

// By default, extension considers both ends of parts. The old ends remain and new
// points are added at the extended ends. The new points have attributes that are
// extrapolated from adjacent existing segments. 

//默认情况下，扩展将考虑零件的两端。旧的结局仍然是新的

//在延伸端添加点。新点具有以下属性

//从相邻的现有段推断。

 RelocateEnds = 1,====================================================

// If an extension is performed at an end, relocate the end point to the new position
// instead of leaving the old point and adding a new point at the new position.

//如果在端点执行延伸，请将端点重新定位到新位置

//而不是离开旧点，在新位置添加新点。

 KeepEndAttributes = 2,=================================================

// If an extension is performed at an end, do not extrapolate the end-segment's
// attributes for the new point. Instead, make its attributes the same as the current
// end. Incompatible with esriNoAttributes. 

//如果在末端执行延伸，则不要推断末端段的

//新点的属性。相反，使其属性与当前属性相同

//结束。与esriNoAttributes不兼容。

 NoEndAttributes = 4,=============================

//如果在末端执行延伸，则不要推断末端段的

//新点的属性。相反，将其属性设置为空。不相容的

//具有esriKeepAttributes。

// If an extension is performed at an end, do not extrapolate the end-segment's
// attributes for the new point. Instead, make its attributes be empty. Incompatible
// with esriKeepAttributes.