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

using System;
using System.Collections;
using Microsoft.Deployment.WindowsInstaller;


namespace Microsoft.Deployment.Samples.Inventory{
  public class MsiUtils
  {
    private static Hashtable productCodesToNames = new Hashtable();
    private static Hashtable productNamesToCodes = new Hashtable();

    public static string GetProductName(string productCode)
    {
      string productName = (string) productCodesToNames[productCode];
      if(productName == null)
      {
                productName = new ProductInstallation(productCode).ProductName;
        productName = productName.Replace('\\', ' ');
        if(productNamesToCodes.Contains(productName))
        {
          string modifiedProductName = null;
          for(int i = 2; i < Int32.MaxValue; i++)
          {
            modifiedProductName = productName + " [" + i + "]";
            if(!productNamesToCodes.Contains(modifiedProductName)) break;
          }
          productName = modifiedProductName;
        }
        productCodesToNames[productCode] = productName;
        productNamesToCodes[productName] = productCode;
      }
      return productName;
    }

    // Assumes GetProductName() has already been called for this product.
    public static string GetProductCode(string productName)
    {
      return (string) productNamesToCodes[productName];
    }

    private MsiUtils() { }
  }
}