ComplexType Class

public class ComplexType : StructuralType

using System;
using System.Data;
using System.Collections.ObjectModel;
using System.Data.EntityClient;
using System.Data.Metadata.Edm;

class GetComplexTypeMembersExample
{
  static void Main()
  {
    try
    {
      // Establish a connection to the underlying data provider by 
      // using the connection string specified in the config file.
      using (EntityConnection connection =
        new EntityConnection("Name=CustomerWComplexAddrEntities"))
      {
         // Open the connection.
         connection.Open();

         // Access the metadata workspace.
         MetadataWorkspace workspace = 
            connection.GetMetadataWorkspace();

         // Get properties of complex types.
         GetProperties(workspace, DataSpace.CSpace);
      }
    }
    catch (MetadataException exceptionMetadata)
    {
       Console.WriteLine("MetadataException: {0}",
              exceptionMetadata.Message);
    }
    catch (System.Data.MappingException exceptionMapping)
    {
       Console.WriteLine("MappingException: {0}",
               exceptionMapping.Message);
    }
  }

  public static void GetProperties(MetadataWorkspace workspace, 
      DataSpace model)
  {
    // Get a collection of complex types.
    ReadOnlyCollection<ComplexType> complexTypes =
       workspace.GetItems<ComplexType>(model);

    // Iterate through the collection to get each complex type.
    foreach (ComplexType complexType in complexTypes)
    {
       Console.WriteLine(
         "\n\n***ComplexType Name: {0}, Namespace: {1}",
         complexType.Name,
         complexType.NamespaceName);

       Console.WriteLine(
          "\nGet the properties of this " +
          "ComplexType object ==>");
          // Iterate through the collection to get each property of the 
          // current ComplexType object.
          foreach (EdmProperty property in complexType.Properties)
          {
            Console.Write("   Property Name: {0} ", property.Name);

            Console.WriteLine(
               "   Property declaring Type: {0}, edmtype: {1}," +
               " default: {2}, nullable: {3} ",
               property.DeclaringType, property.TypeUsage.EdmType,
               property.Default, property.Nullable);
          }
      }
  }
}