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Urgent help needed - ActiveX in C#

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  10 months ago

  by sharat80

  sharat gopisetty

  Hyderabad, India

  Joined 10 months ago
  Hi Everyone, In my office I have given a work to open windows form application in browser. Its world wind Globe application which will show latitude and longitude values any where on the globe, I have searched google and I could find few articles which guided me to create an ActiveX Control. I created C# Class library and added all the classes, Folders[Data, Layers, Location, Plugin Engine, Plugins, Terrain, Web], References, from C# windows application. Program.cs is main entry for the application and I given Attributes ProgID, guid, COMVisible... The code goes as follows: using System; using System.Collections.Generic; using System.Windows.Forms; using System.Runtime.InteropServices; using System.Text; using System.Reflection; using Microsoft.Win32; using System.ComponentModel; using System.Threading; namespace Globe { [ProgId("Program")] [ClassInterface(ClassInterfaceType.AutoDual), ComSourceInterfaces(typeof(ControlEvents))] //Implementing interface that will be visible from JS [Guid("BB5E3B2B-E560-4199-8673-F7EDA38A8987")] [ComVisible(true)] public class Program { ///

  /// The main entry point for the application. ///

  //[STAThread] //private string myParam = "Empty"; public event ControlEventHandler OnClose; //

  //Opens application. Called from JS //

  [ComVisible(true)] public void Open() { //TODO: Replace the try catch in aspx with try catch below. The problem is that js OnClose does not register. try { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); //Application.Run(new MainForm()); } catch (Exception e) { //ExceptionHandling.AppException(e); throw e; } } [ComVisible(true)] public void execute() { Application.Run(new MainForm()); } ///

  /// Parameter visible from JS ///

  [ComVisible(true)] public void Close() { if (OnClose != null) { OnClose("http://otherwebsite.com"); //Calling event that will be catched in JS } else { MessageBox.Show("No Event Attached"); //If no events are attached send message. } } ///

  /// Register the class as a control and set it's CodeBase entry ///

  /// The registry key of the control [ComRegisterFunction()] public static void RegisterClass(string key) { // Strip off HKEY_CLASSES_ROOT\ from the passed key as I don't need it StringBuilder sb = new StringBuilder(key); sb.Replace(@"HKEY_CLASSES_ROOT\", ""); // Open the CLSID\{guid} key for write access RegistryKey k = Registry.ClassesRoot.OpenSubKey(sb.ToString(), true); // And create the 'Control' key - this allows it to show up in // the ActiveX control container RegistryKey ctrl = k.CreateSubKey("Control"); ctrl.Close(); // Next create the CodeBase entry - needed if not string named and GACced. RegistryKey inprocServer32 = k.OpenSubKey("InprocServer32", true); inprocServer32.SetValue("CodeBase", Assembly.GetExecutingAssembly().CodeBase); inprocServer32.Close(); // Finally close the main key k.Close(); MessageBox.Show("Registered"); } ///

  /// Called to unregister the control ///

  /// Tke registry key [ComUnregisterFunction()] public static void UnregisterClass(string key) { StringBuilder sb = new StringBuilder(key); sb.Replace(@"HKEY_CLASSES_ROOT\", ""); // Open HKCR\CLSID\{guid} for write access RegistryKey k = Registry.ClassesRoot.OpenSubKey(sb.ToString(), true); // Delete the 'Control' key, but don't throw an exception if it does not exist k.DeleteSubKey("Control", false); // Next open up InprocServer32 //RegistryKey inprocServer32 = k.OpenSubKey("InprocServer32", true); // And delete the CodeBase key, again not throwing if missing k.DeleteSubKey("CodeBase", false); // Finally close the main key k.Close(); MessageBox.Show("UnRegistered"); } } ///

  /// Event handler for events that will be visible from JavaScript ///

  public delegate void ControlEventHandler(string redirectUrl); ///

  /// This interface shows events to javascript ///

  [Guid("BB5E3B2B-E560-4199-8673-F7EDA38A8987")] [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)] public interface ControlEvents { //Add a DispIdAttribute to any members in the source interface to specify the COM DispId. [DispId(0x60020001)] //[DispId(1)] void OnClose(string redirectUrl); //This method will be visible from JS } }; I also successfully created ini and cab files. I have given Java Script in HTML file which is: Mainform contains Private Members, Constructors, World Window Events, Main Form changing events, Main Form Events. I need to run [Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm());] from another class. I tried and am getting error Object doesn't support this property or method, I would be very helpful if anyone fix this error for me. Thanking you all in advance, Regards, Sharat.
  Post was edited on 21/01/2009 17:40:08 Report abuse