//Returns the length(in meters) of a polyline geometry.
private bool MeasurePolyline(IGTPolylineGeometry oPolyLineGeometry, ref double dLength)
{
bool returnValue = false;
try
{
IGTMeasureService oMeasurementSvc = GTClassFactory.Create <IGTMeasureService>();
int intMeasRefSpace = Convert.ToInt16(m_Application.GetPreference(GTPreferenceConstants.gtpcMeasurementReferenceSpace));
oMeasurementSvc.ReferenceSpace = intMeasRefSpace;
oMeasurementSvc.CoordSystem = ((ICoordSystemsMgr)m_Application.DataContext.CoordSystemsMgr).BaseCoordSystem as CoordSystem;
//Give the measurement service the geometry
oMeasurementSvc.Geometry = oPolyLineGeometry;
//Get the length
dLength = System.Convert.ToInt16(oMeasurementSvc.Length);
// Measurement service returns length in meters. Convert to feet.
dLength = Math.Round((dLength / .3048), 0);
oMeasurementSvc = null;
returnValue = true;
}
catch (Exception ex)
{
//MessageBox.Show(Application.ApplicationWindow, ex.Message, System.Convert.ToString(modCPTRes.G3E_I_APP_NAME), MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
returnValue = false;
}
return(returnValue);
}