Autocorrect text in Word with c#

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I'm trying to use the spellCheck feature provided by word to correct a string that is not in English, the problem is that when i use the spellCheck function i get the Spelling and Grammar dialog which requires user input and i don't want that to happen.
This is my code

C#

using System.Collections.Generic;
using Microsoft.Office.Interop.Word;
using Word = Microsoft.Office.Interop.Word;
using TobyCL.ro.toby.StringOperations;
namespace namespace.ro.toby
{
    class WordProofing:IProof
    {
        private readonly Word.Application _wordApp;
        private readonly Word.Document _wordDoc;
        private static object _oEndOfDoc = "\\endofdoc";
        public WordProofing()
        {

            _wordApp = new Word.Application {Visible = false};
            _wordDoc = _wordApp.Documents.Add();
        }
        public void Close()
        {
            object obj = Word.WdSaveOptions.wdDoNotSaveChanges;
            _wordDoc.Close(ref obj);
            _wordApp.Quit(ref obj);
        }
        #region Implementation of IProof

        public string Proof(string proofText)
        {
            Range wRng = _wordDoc.Bookmarks.get_Item(ref _oEndOfDoc).Range;
            wRng.Text = proofText;
            _wordDoc.CheckSpelling(IgnoreUppercase: true,AlwaysSuggest:false);
            string str = wRng.Text;
            wRng.Text = "";
            return str;
        }
        #endregion
    }
}

It worked last week when i wrote it, but in the meantime i uninstalled Office proofing tools, and reinstalled it. So i'm thinking that maybe the a setting i have to set or maybe i accidentally change something in my code (but i doubt the last one).

Thanks in adavance

Posted 16-Feb-12 0:26am

toby31

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When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

toby31 · Answer 1 · 2012-02-16T02:26:00

I've solved it but it's really really slow, so any new ideas are welcomed.

C#

using Microsoft.Office.Interop.Word;
    class WordProofing
    {
        private Application _wordApp;
        private readonly Document _wordDoc;
        private static object _oEndOfDoc = "\\endofdoc";
        public WordProofing()
        {

            _wordApp = new Application { Visible = false };
            _wordDoc = _wordApp.Documents.Add();
        }
        public void Close()
        {
            _wordDoc.Close(WdSaveOptions.wdDoNotSaveChanges);
            _wordApp.Quit();
        }

        public string Proof(string proofText)
        {
            Range wRng = _wordDoc.Bookmarks.get_Item(ref _oEndOfDoc).Range;
            wRng.Text = proofText;
            ProofreadingErrors spellingErros = wRng.SpellingErrors;
            foreach (Range spellingError in spellingErros)
            {
                SpellingSuggestions spellingSuggestions =
                                                            _wordApp.GetSpellingSuggestions(spellingError.Text,IgnoreUppercase:true);

                foreach (SpellingSuggestion spellingSuggestion in spellingSuggestions)
                {
                    spellingError.Text = spellingSuggestion.Name;
                    break;
                }
            }

            string str = wRng.Text;
            wRng.Text = "";
            return str;
        }
    }