private DocumentFormat GetDocumentFormat(byte[] data, string fileName)
{
using (var ms = new MemoryStream(data))
{
var documentFormat = new RichEditDocumentServer().GetService <IFormatDetectorService>().DetectFormat(ms);
if (documentFormat.Equals(DocumentFormat.Undefined))
{
documentFormat = Utils.GetRichEditDocumentFormatByExtension(fileName);
}
return(documentFormat);
}
}