Creates a list of predefined prime meridians.
[Visual Basic .NET] Public Function CreatePredefinedPrimeMeridians ( _ ) As ISet
[C#] public ISet CreatePredefinedPrimeMeridians ( );
[C++]
HRESULT CreatePredefinedPrimeMeridians(
  ISet** primeMeridians
);
[C++]Parameters
primeMeridians [out, retval]primeMeridians is a parameter of type ISet
Product Availability
Description
Returns a list of all predefined prime meridians. The list has two columns: the factory code and the name.
    private void PrintPrimeMeridian()
    {
        // use activator class with SpatialReferenceEnvironment singleton
        Type factoryType = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");
        System.Object obj = Activator.CreateInstance(factoryType);
        ISpatialReferenceFactory spatialReferenceFactory = obj as ISpatialReferenceFactory;
        ISet primeMeridiansSet = spatialReferenceFactory.CreatePredefinedPrimeMeridians();
        System.Windows.Forms.MessageBox.Show("Number of projections = " + primeMeridiansSet.Count);
        for (int i = 0; i < primeMeridiansSet.Count; i++)
        {
            IPrimeMeridian primeMeridian = primeMeridiansSet.Next() as IPrimeMeridian;
            System.Windows.Forms.MessageBox.Show(primeMeridian.Name);
        }
    }