Public Class Constants
    Public Shared Property AllowedExtensions As New List(Of String) From {
            "pdf",
            "txt",
            "pptx",
            "docx",
            "xlsx",
            "ppt",
            "doc",
            "xls",
            "msg",
            "csv",
            "dxf",
            "dwg",
            "jpg",
            "jpeg",
            "png",
            "zip",
            "7z",
            "mp4",
            "log",
            "jfif",
            "bmp",
            "eml"
        }
End Class