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Search and highlight text in MS Word through C#

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Author: DARSHAN MODANI   Category: MS Office   Fields: Computers - Technology

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Introduction

You can use the following code to open a Word document and highlight the searched for text(s):
private void btnFind_Click(object sender, EventArgs e)
{
    object fileName = "xxxxx"; //The filepath goes here
    string textToFind = "xxxxx"; //The text to find goes here
    Word.Application word = new Word.Application();
    Word.Document doc = new Word.Document();
    object missing = System.Type.Missing;
    try
    {
        doc = word.Documents.Open(ref fileName, ref missing, ref missing, 
        ref missing, ref missing, ref missing, ref missing, ref missing, 
        ref missing, ref missing, ref missing, ref missing, ref missing, 
        ref missing, ref missing, ref missing);
        doc.Activate();
        foreach (Word.Range docRange in doc.Words)
        {
            if(docRange.Text.Trim().Equals(textToFind,
               StringComparison.CurrentCultureIgnoreCase))
            {
                docRange.HighlightColorIndex = 
                  Microsoft.Office.Interop.Word.WdColorIndex.wdDarkYellow;
                docRange.Font.ColorIndex = 
                  Microsoft.Office.Interop.Word.WdColorIndex.wdWhite;
            }
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show("Error : " + ex.Message);
    }
}

You have to add a reference to Microsoft.Office.Interop.Word using the following statement:

using Word = Microsoft.Office.Interop.Word;

 

Search and highlight text in MS Word through C#

Search and highlight text in MS Word through C# Posted on 22-03-2014  1.25/10 871

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