GroupDocs.Watermark for .NET 18.6

Documents-AddLockedWatermarkToAllPages_18.6.cs

// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (WordsDocument doc = Document.Load<WordsDocument>(Utilities.MapSourceFilePath(FILE_PATH)))
{
    TextWatermark watermark = new TextWatermark("Watermark text", new Font("Arial", 19));
    watermark.ForegroundColor = Color.Red;

    WordsShapeSettings settings = new WordsShapeSettings();
    settings.IsLocked = true;
    settings.LockType = WordsLockType.AllowOnlyFormFields;

    // To protect with password
    //settings.Password = "7654321";

    doc.AddWatermark(watermark, settings);

    doc.Save();
}

Documents-AddLockedWatermarkToParticularPages_18.6.cs

// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (WordsDocument doc = Document.Load<WordsDocument>(Utilities.MapSourceFilePath(FILE_PATH)))
{
    TextWatermark watermark = new TextWatermark("Watermark text", new Font("Arial", 19));
    watermark.ForegroundColor = Color.Red;

    WordsShapeSettings settings = new WordsShapeSettings();
    settings.PageNumbers = new int[] { 1, 3 };
    settings.IsLocked = true;
    settings.LockType = WordsLockType.AllowOnlyComments;

    // To protect with password
    //settings.Password = "7654321";

    doc.AddWatermark(watermark, settings);

    doc.Save();
}

Documents-AddLockedWatermarkToSection_18.6.cs

// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (WordsDocument doc = Document.Load<WordsDocument>(Utilities.MapSourceFilePath(FILE_PATH)))
{
    TextWatermark watermark = new TextWatermark("Watermark text", new Font("Arial", 19));
    watermark.ForegroundColor = Color.Red;

    WordsShapeSettings settings = new WordsShapeSettings();
    settings.IsLocked = true;
    settings.LockType = WordsLockType.ReadOnlyWithEditableContent;

    // To protect with password
    //settings.Password = "7654321";

    doc.Sections[0].AddWatermark(watermark, settings);

    doc.Save();
}

Documents-ProtectWordDocument_18.6.cs

// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (WordsDocument doc = Document.Load<WordsDocument>(Utilities.MapSourceFilePath(FILE_PATH)))
{
    doc.Protect(WordsProtectionType.ReadOnly, "7654321");
    doc.Save();
}

Documents-UnProtectWordDocument_18.6.cs

// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (WordsDocument doc = Document.Load<WordsDocument>(Utilities.MapSourceFilePath(FILE_PATH)))
{
    doc.Unprotect();
    doc.Save();
}