Saving Word document into web page using C#

The below code snippet will convert a wrd document into a .htm web page. This function is ready to use and can be called wherever needed.

private void DocToWebpage()
    { 
        //Creating the instance of Word Application
        Microsoft.Office.Interop.Word.Application newApp = new Microsoft.Office.Interop.Word.Application(); 

        // specify the Source & Target file names
        object Source = "D:\\Sample.docx";
        object Target = "D:\\Sandbox.htm";

        // Use for the parameter whose type are not known or  
        // say Missing
        object Unknown =Type.Missing;

        // Source document open here
        // Additional Parameters are not known so that are  
        // set as a missing type
        newApp.Documents.Open(ref Source,ref Unknown, 
             ref Unknown,ref Unknown,ref Unknown, 
             ref Unknown,ref Unknown,ref Unknown, 
             ref Unknown,ref Unknown,ref Unknown, 
             ref Unknown,ref Unknown,ref Unknown,ref Unknown, ref Unknown);

        // Specifying the format in which you want the output file 
        object format = Microsoft.Office.Interop.Word.WdSaveFormat.wdFormatHTML;

        //Changing the format of the document
        newApp.ActiveDocument.SaveAs(ref Target,ref format, 
                ref Unknown,ref Unknown,ref Unknown, 
                ref Unknown,ref Unknown,ref Unknown, 
                ref Unknown,ref Unknown,ref Unknown, 
                ref Unknown,ref Unknown,ref Unknown, 
                ref Unknown,ref Unknown);                    

        // for closing the application
        newApp.Quit(ref Unknown,ref Unknown,ref Unknown);
    }

using Microsoft.Office;
using Microsoft.Office.Interop;

<add assembly="Microsoft.Office.Tools.Word, Version=8.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/>
				<add assembly="Microsoft.Office.Interop.Word, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"/>				<add assembly="Office, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"/>