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Internet explorer control

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  1 year ago

  by 82130012

  samaneh sadegh

  Esfahan, Iran

  Joined 1 year ago

  Hi,

  I am trying to write a program that will control internet explorer as part of another program but I am writing this part first.  I got a sample code from online but I am missing a using directive? Here are the errors that I got when I compiled the program.

  error CS0246: The type or namespace name 'InternetExplorer' could not be found (are you missing a using directive or an assembly reference?)

  error CS0103: The name 'NSLibStatic' does not exist in the current context
  
  This is the code that I ran.
  

  using System;
  using System.Collections.Generic;
  using System.Text;
  
  
  namespace IECONNECTION
  {
      class Program
      {
          public static bool IEOpenOnURL(string sURL)
          {
              InternetExplorer oIE = (InternetExplorer)NSLibStatic.COMCreateObject
                                                                ("InternetExplorer.Application");
  
              if (oIE != null)
              {
                  object oEmpty = String.Empty;
                  object oURL = sURL;
                  oIE.Visible = false;
                  oIE.Navigate2(ref oURL, ref oEmpty, ref oEmpty, ref oEmpty, ref oEmpty);
              }
              return true;
          }
          static void Main(string[] args)
          {
          }
      }
  }
  
  
  

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• • Reply

  1 year ago

  by 82130012

  samaneh sadegh

  Esfahan, Iran

  Joined 1 year ago

   I'm down to one error now.

  error CS0117: 'IEConnection.NSLibStatic' does not contain a definition for 'COMCreateObject'

  namespace IEConnection
  {
  
      class NSLibStatic
      {
          
          private static bool IEOpenOnURL(string sURL)
          {
              InternetExplorer oIE = (InternetExplorer)NSLibStatic.COMCreateObject
                                                                ("InternetExplorer.Application");
  
              if (oIE != null)
              {
                  object oEmpty = String.Empty;
                  object oURL = sURL;
                  oIE.Visible = false;
                  oIE.Navigate2(ref oURL, ref oEmpty, ref oEmpty, ref oEmpty, ref oEmpty);
              }
              return true;
          }
          static void Main(string[] args)
          {
          }
      }
  }

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• • Reply

  3 months ago

  by ntabwoba

  ntabwoba

  , Rwanda

  Joined 6 months ago

  You've probably figured this out by now, but I came across the same problem today.

  Forget about calling your class NSLibStatic, what you need is the COMCreateObject method, which is:

  /// <summary>
  /// Creates a COM object given it's ProgID.
  /// </summary>
  /// <param name="sProgID">The ProgID to create</param>
  /// <returns>The newly created object, or null on failure.</returns>
  public static object COMCreateObject (string sProgID)
  {
      // We get the type using just the ProgID
      Type oType = Type.GetTypeFromProgID (sProgID);
      if (oType != null)
      {     
         return Activator.CreateInstance(oType);
      }
     
      return null;
  }

  I found it here: http://www.novicksoftware.com/TipsAndTricks/tip-csharp-create-com-object-by-progid.htm
  

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