Start of port range for the TCP and UDP protocols, or an ICMP type number.
            An ICMP type number of -1 indicates a wildcard (i.e., any ICMP type number).
            
 Declaration Syntax
 Declaration Syntax| C# | 
public decimal FromPort { get; set; }
 Declaration Syntax
 Declaration Syntax| C# | 
public decimal FromPort { get; set; }