private void createProjectedCoordinateSystem()
{
ISpatialReferenceFactory2 spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
IProjectionGEN projection = spatialReferenceFactory.CreateProjection((int)esriSRProjectionType.esriSRProjection_Sinusoidal) as IProjectionGEN;
IGeographicCoordinateSystem geographicCoordinateSystem = spatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);
ILinearUnit unit = spatialReferenceFactory.CreateUnit((int)esriSRUnitType.esriSRUnit_Meter) as ILinearUnit;
IParameter[] parameters = projection.GetDefaultParameters();
IProjectedCoordinateSystemEdit projectedCoordinateSystemEdit = new ProjectedCoordinateSystemClass();
object name = "Newfoundland"; object alias = "NF_LAB";
object abbreviation = "NF";
object remarks = "Most Eastern Province in Canada";
object usage = "When making maps of Newfoundland";
object geographicCoordinateSystemObject = geographicCoordinateSystem as object;
object unitObject = unit as object;
object projectionObject = projection as object;
object parametersObject = parameters as object;
projectedCoordinateSystemEdit.Define(ref name, ref alias, ref abbreviation, ref remarks, ref usage, ref geographicCoordinateSystemObject, ref unitObject, ref projectionObject, ref parametersObject);
IProjectedCoordinateSystem userDefinedProjectedCoordinateSystem = projectedCoordinateSystemEdit as IProjectedCoordinateSystem;
m_map.SpatialReference = userDefinedProjectedCoordinateSystem;
m_activeView.Refresh();
MessageBox.Show("自定义ProjectedCoordinateSystem完成！");
}
