Windows Forms

Word._Document doc= app.Documents.Add(ref template,ref newTemplate,ref documentType,ref visible);
           app.Visible=false;
           doc.Windows.Application.Visible=false;
           doc.Words.First.InsertBefore(strDesc);
           Word.ProofreadingErrors we=doc.SpellingErrors;
           iErrors=we.Count;
           for (int i=1; i<=we.Count;i++)
               strErrArray.Add(we.Item(i).Text);
           app.Documents.Close(ref SaveChanges,ref OriginalFormat,ref RouteDocument);

        public void AddNewMessage( String message )
        {
            lock (this)
            {
                if (disposed)
                    throw new ObjectDisposedException( "PeerMessagesDisplay" );

                String text = this.textBox1.Text.Insert( this.textBox1.Text.Length, message );
                SetText( text );
            }
        }

        private void SetText( String text )
        {
            if (this.InvokeRequired)
                this.textBox1.Invoke( new Action<string>( SetTextHelper ), text );
            else
                SetTextHelper( text );
        }

        private void SetTextHelper( String text )
        {
            this.textBox1.Text = text;
        }
</string>