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this is the code
when run this program showing this errors

Error 1 The type 'Microsoft.Office.Core.CommandBars' is defined in an assembly that is not referenced. You must add a reference to assembly 'Office, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. C:\Documents and Settings\kalaingar\Desktop\examples.net\Project1\projectkalai\projectkalai\Connect.cs 95 13 projectkalai


Error 2 Cannot implicitly convert type 'Microsoft.Office.Core.CommandBars []' to 'Microsoft.Office.Core.CommandBars [c:\Documents and Settings\kalaingar\Desktop\Interop.Microsoft.Office.Core.dll]' C:\Documents and Settings\kalaingar\Desktop\examples.net\Project1\projectkalai\projectkalai\Connect.cs 95 61 projectkalai




public class Connect : Object, Extensibility.IDTExtensibility2
    {
        private Microsoft.Office.Interop.Outlook.Application applicationobject;
        private object addInInstance;
        private CommandBarButton btnLaunch;
        /// <summary>
        ///     Implements the constructor for the Add-in object.
        ///     Place your initialization code within this method.
        /// </summary>
        public Connect()
        {
        }

        /// <summary>
        ///      Implements the OnConnection method of the IDTExtensibility2 interface.
        ///      Receives notification that the Add-in is being loaded.
        /// </summary>
        /// <param term='application'>
        ///      Root object of the host application.
        /// </param>
        /// <param term='connectMode'>
        ///      Describes how the Add-in is being loaded.
        /// </param>
        /// <param term='addInInst'>
        ///      Object representing this Add-in.
        /// </param>
        /// <seealso class='IDTExtensibility2' />
        public void OnConnection(object application, Extensibility.ext_ConnectMode connectMode, object addInInst, ref System.Array custom)
        {

        }

        /// <summary>
        ///     Implements the OnDisconnection method of the IDTExtensibility2 interface.
        ///     Receives notification that the Add-in is being unloaded.
        /// </summary>
        /// <param term='disconnectMode'>
        ///      Describes how the Add-in is being unloaded.
        /// </param>
        /// <param term='custom'>
        ///      Array of parameters that are host application specific.
        /// </param>
        /// <seealso class='IDTExtensibility2' />
        public void OnDisconnection(Extensibility.ext_DisconnectMode disconnectMode, ref System.Array custom)
        {
        }

        /// <summary>
        ///      Implements the OnAddInsUpdate method of the IDTExtensibility2 interface.
        ///      Receives notification that the collection of Add-ins has changed.
        /// </summary>
        /// <param term='custom'>
        ///      Array of parameters that are host application specific.
        /// </param>
        /// <seealso class='IDTExtensibility2' />
        public void OnAddInsUpdate(ref System.Array custom)
        {
        }

        /// <summary>
        ///      Implements the OnStartupComplete method of the IDTExtensibility2 interface.
        ///      Receives notification that the host application has completed loading.
        /// </summary>
        /// <param term='custom'>
        ///      Array of parameters that are host application specific.
        /// </param>
        /// <seealso class='IDTExtensibility2' />
        public void OnStartupComplete(ref System.Array custom)
        {
            //CommandBars commandBar =   (applicationobject.ActiveExplorer().CommandBars);
            Microsoft.Office.Core.CommandBars commandbars = applicationobject.ActiveExplorer().CommandBars;

            try
            {
                btnLaunch = (CommandBarButton)commandbars["Standard"].Controls["HelloWorld"];
            }
            catch
            {
                btnLaunch =(CommandBarButton)commandbars["Standard"].Controls.Add(1, System.Reflection.Missing.Value,System.Reflection.Missing.Value,System.Reflection.Missing.Value,System.Reflection.Missing.Value);
                btnLaunch.Caption = "Hello World Browser!";
                btnLaunch.Style = MsoButtonStyle.msoButtonCaption;
            }
            btnLaunch.Tag = "This is hello world Browser";
            btnLaunch.OnAction = "!<EMailStatsAddIn.Connect>";
            btnLaunch.Visible = true;
            btnLaunch.Click += new Microsoft.Office.Core._CommandBarButtonEvents_ClickEventHandler(btnLaunch_Click);


        }

        /// <summary>
        ///      Implements the OnBeginShutdown method of the IDTExtensibility2 interface.
        ///      Receives notification that the host application is being unloaded.
        /// </summary>
        /// <param term='custom'>
        ///      Array of parameters that are host application specific.
        /// </param>
        /// <seealso class='IDTExtensibility2' />
        public void OnBeginShutdown(ref System.Array custom)
        {
            CommandBars commandBars = applicationobject.ActiveExplorer().CommandBars;
            try
            {
                commandBars["Standard"].Controls["HelloWorld"].Delete(System.Reflection.Missing.Value);
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void btnLaunch_Click(Microsoft.Office.Core.CommandBarButton Ctrl,
            ref bool CancelDefault)
        {
            try
            {
                frmHelloWorld objfrmHelloWorld = new frmHelloWorld();
                objfrmHelloWorld.Show();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        //private object applicationObject;
        //private object addInInstance;
    }

try
{
commandBars["Standard"].Controls["HelloWorld"].Delete(System.Reflection.Missing.Value);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnLaunch_Click(Microsoft.Office.Core.CommandBarButton Ctrl,
ref bool CancelDefault)
{
try
{
frmHelloWorld objfrmHelloWorld = new frmHelloWorld();
objfrmHelloWorld.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

//private object applicationObject;
//private object addInInstance;
}
try
{
commandBars["Standard"].Controls["HelloWorld"].Delete(System.Reflection.Missing.Value);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnLaunch_Click(Microsoft.Office.Core.CommandBarButton Ctrl,
ref bool CancelDefault)
{
try
{
frmHelloWorld objfrmHelloWorld = new frmHelloWorld();
objfrmHelloWorld.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

//private object applicationObject;
//private object addInInstance;
}
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1 solution

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Solution 1

Add the library reference to your project as specified in the error message. Go to your project source tree and right-click on References to see what to do.
   

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