Features.cs :  » Installers-Generators » WiX » Microsoft » Deployment » Samples » Inventory » C# / CSharp Open Source

using System;
using System.IO;
using System.Data;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Forms;
using Microsoft.Deployment.WindowsInstaller;

namespace Microsoft.Deployment.Samples.Inventory{
  /// <summary>
  /// Provides inventory data about features of products installed on the system.
  /// </summary>
  public class FeaturesInventory : IInventoryDataProvider
  {
    public FeaturesInventory()
    {
    }

    public string Description
    {
      get { return "Features of installed products"; }
    }

    public string[] GetNodes(InventoryDataLoadStatusCallback statusCallback)
    {
            statusCallback(0, @"Products\...\Features");
            ArrayList nodes = new ArrayList();
      foreach (ProductInstallation product in ProductInstallation.AllProducts)
      {
                nodes.Add(String.Format(@"Products\{0}\Features", MsiUtils.GetProductName(product.ProductCode)));
      }
      statusCallback(nodes.Count, String.Empty);
      return (string[]) nodes.ToArray(typeof(string));
    }

    public bool IsNodeSearchable(string searchRoot, string searchNode)
    {
      return true;
    }

    public DataView GetData(string nodePath)
    {
      string[] path = nodePath.Split('\\');

      if(path.Length == 3 && path[0] == "Products" && path[2] == "Features")
      {
        return GetProductFeaturesData(MsiUtils.GetProductCode(path[1]));
      }
      return null;
    }

    public DataView GetProductFeaturesData(string productCode)
    {
      DataTable table = new DataTable("ProductFeatures");
      table.Locale = CultureInfo.InvariantCulture;
      table.Columns.Add("ProductFeaturesFeatureTitle", typeof(string));
      table.Columns.Add("ProductFeaturesFeatureName", typeof(string));
      table.Columns.Add("ProductFeaturesInstallState", typeof(string));

      try
      {
        IntPtr hWnd = IntPtr.Zero;
                Installer.SetInternalUI(InstallUIOptions.Silent, ref hWnd);
        lock(typeof(Session))  // Only one Installer session can be active at a time
        {
          using(Session session = Installer.OpenProduct(productCode))
          {
            session.DoAction("CostInitialize");
            session.DoAction("FileCost");
            session.DoAction("CostFinalize");

            IList<string> featuresAndTitles = session.Database.ExecuteStringQuery(
              "SELECT `Title`, `Feature` FROM `Feature`");

            for(int i = 0; i < featuresAndTitles.Count; i += 2)
            {
                            InstallState featureState = session.Features[featuresAndTitles[i + 1]].CurrentState;
              table.Rows.Add(new object[] { featuresAndTitles[i], featuresAndTitles[i+1],
                              (featureState == InstallState.Advertised ? "Advertised" : featureState.ToString()) });
            }
          }
        }
        return new DataView(table, "", "ProductFeaturesFeatureTitle ASC", DataViewRowState.CurrentRows);
      }
      catch(InstallerException) { }
      catch(IOException) { }
      return null;
    }

    public string GetLink(string nodePath, DataRow row)
    {
      string[] path = nodePath.Split('\\');

      if(path.Length == 3 && path[0] == "Products" && path[2] == "Features")
      {
        return String.Format(@"Products\{0}\Features\{1}", path[1], row["ProductFeaturesFeatureName"]);
      }
      return null;
    }
  }
}