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This document is archived and information here might be outdated. Recommended version. |
IPrimeMeridian.Longitude Property (ArcObjects .NET 10.8 SDK)
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This document is archived and information here might be outdated. Recommended version. |
The longitude value of this prime meridian.
[Visual Basic .NET]
Public ReadOnly Property Longitude As Double
[C#]
public double Longitude {get;}
[C++]
HRESULT get_Longitude(
System.Double* Longitude
);
[C++] Parameters Longitude [out, retval]
Longitude is a parameter of type double*
Returns the longitude value of a prime meridian. The longitude value is defined in degrees relative to Greenwich.
private void GetLongitude()
{
// use activator class with SpatialReferenceEnvironment singleton
Type factoryType = Type.GetTypeFromProgID("esriGeometry.SpatialReferenceEnvironment");
System.Object obj = Activator.CreateInstance(factoryType);
ISpatialReferenceFactory3 spatialReferenceFactory = obj as ISpatialReferenceFactory3;
IPrimeMeridian primeMeridian = spatialReferenceFactory.CreatePrimeMeridian((int)esriSRPrimeMType.esriSRPrimeM_Greenwich);
System.Windows.Forms.MessageBox.Show(primeMeridian.Longitude.ToString());
}