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| ArcObjects Help for .NET developers > ArcObjects namespaces > Geometry > ESRI.ArcGIS.Geometry > Interfaces > IP > IPolylineArray Interface > IPolylineArray.Add Method (ArcObjects .NET 10.5 SDK) | 
Adds a polyline.
[Visual Basic .NET] Public Sub Add ( _ ByVal pPolyline As IPolyline _ )
[C#] public void Add ( IPolyline pPolyline );
[C++]
HRESULT Add(
  IPolyline* pPolyline
);
[C++]
Parameters pPolyline [in]
pPolyline is a parameter of type IPolyline