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// For complete examples and data files, please go to https://github.com/groupdocsannotation/GroupDocs_Annotation_NET
// Get input file stream
Stream inputFile = new FileStream(CommonUtilities.MapSourceFilePath(filePath), FileMode.Open, FileAccess.ReadWrite);
                
// Initialize list of AnnotationInfo
List<AnnotationInfo> annotations = new List<AnnotationInfo>();

// Text strikeout annotation
AnnotationInfo strikeoutAnnotationforwords = new AnnotationInfo
{
    Box = new Rectangle((float)101.76, (float)688.73, (float)321.85, 27),
    PageNumber = 1,
    SvgPath = "[{\"x\":101.76,\"y\":400.05},{\"x\":255.9,\"y\":400.05},{\"x\":101.76,\"y\":378.42},{\"x\":255.91,\"y\":378.42},{\"x\":101.76,\"y\":374.13},{\"x\":423.61,\"y\":374.13},{\"x\":101.76,\"y\":352.5},{\"x\":423.61,\"y\":352.5}]",
    Type = AnnotationType.TextStrikeout,
    CreatorName = "Anonym A."
};
// Add annotation to list
annotations.Add(strikeoutAnnotationforwords);

// Export annotation and save output file
CommonUtilities.SaveOutputDocument(inputFile, annotations, DocumentType.Words);