Aspose.Words_MetadataCleaner.MetadataCleaner.BTN_Clean_Click C# (CSharp) Method

        private void BTN_Clean_Click(object sender, EventArgs e)
        {
            int cleanedCount = 0;
            bool passwordFlg = false;
            bool errorFlg = false;
            string Message = "";
            foreach (string ThisFile in InputFiles)
            {
                AsposeWords.FileFormatInfo info = AsposeWords.FileFormatUtil.DetectFileFormat(ThisFile);
                bool WordAttachment = false;

                switch (info.LoadFormat)
                {
                    case AsposeWords.LoadFormat.Doc:
                    case AsposeWords.LoadFormat.Dot:
                    case AsposeWords.LoadFormat.Docx:
                    case AsposeWords.LoadFormat.Docm:
                    case AsposeWords.LoadFormat.Dotx:
                    case AsposeWords.LoadFormat.Dotm:
                    case AsposeWords.LoadFormat.FlatOpc:
                    case AsposeWords.LoadFormat.Rtf:
                    case AsposeWords.LoadFormat.WordML:
                    case AsposeWords.LoadFormat.Html:
                    case AsposeWords.LoadFormat.Mhtml:
                    case AsposeWords.LoadFormat.Odt:
                    case AsposeWords.LoadFormat.Ott:
                    case AsposeWords.LoadFormat.DocPreWord97:
                        WordAttachment = true;
                        break;
                    default:
                        WordAttachment = false;
                        break;
                }

                // If word Attachment is found
                if (WordAttachment)
                {
                    try
                    {
                        AsposeWords.Document doc = new AsposeWords.Document(ThisFile);

                        // Remove if there is any protection on the document
                        AsposeWords.ProtectionType protection = doc.ProtectionType;
                        if (protection != AsposeWords.ProtectionType.NoProtection)
                            doc.Unprotect();

                        // Remove all built-in and Custom Properties
                        doc.CustomDocumentProperties.Clear();
                        doc.BuiltInDocumentProperties.Clear();

                        // Password will be removed if the document is password protected.
                        if (protection != AsposeWords.ProtectionType.NoProtection)
                            doc.Protect(protection);

                        // Save the file back to temp location
                        doc.Save(ThisFile);
                        cleanedCount++;
                    }
                    catch (Words.IncorrectPasswordException)
                    {
                        passwordFlg = true;
                        Message = "Password protected files cannot be cleaned";
                    }
                    catch (Exception ex)
                    {
                        errorFlg = true;
                        Message = "Error: " + ex.Message;
                    }
                }
                else
                    Message = "Not a Word Document";
            }
            if (passwordFlg)
                LBL_Error.Text = Message;
            if (errorFlg)
                LBL_Error.Text = Message;
            BTN_Clean.Enabled = false;
            LBL_Cleaned.Text = cleanedCount.ToString();
        }