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IProjectedCoordinateSystem.LongitudeOfOrigin Property (ArcObjects .NET 10.6 SDK)
ArcObjects Library Reference (Geometry)  

IProjectedCoordinateSystem.LongitudeOfOrigin Property

The longitude of origin (Lambda0) of a projected coordinate system.

[Visual Basic .NET]
Public Property LongitudeOfOrigin As Double

[C#]
public double LongitudeOfOrigin {get; set;}

[C++]
HRESULT get_LongitudeOfOrigin(
  System.Double* LongitudeOfOrigin
);

[C++]
HRESULT put_LongitudeOfOrigin(
  double LongitudeOfOrigin
);

[C++]

Parameters
LongitudeOfOrigin [out, retval]

  LongitudeOfOrigin is a parameter of type double*
LongitudeOfOrigin 

  LongitudeOfOrigin is a parameter of type double

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
[C#]     private void ManipulateLongitudeOfOrigin(IProjectedCoordinateSystem projectedCoordinateSystem)
    {
        double longitudeOfOrigin=projectedCoordinateSystem.LongitudeOfOrigin;
        System.Windows.Forms.MessageBox.Show(longitudeOfOrigin.ToString());
        projectedCoordinateSystem.LongitudeOfOrigin=0;
    }

See Also

IProjectedCoordinateSystem Interface