SystemClass :: ToHex - Convert number to hexadecimal string
number.ToHex();
ToHex(number);
ToHex(number,2); // first two bytes, only
Notes: 
The function is available in OSI, only.
Return value:  String object ( NString & )
Implementation details
NString 
SystemClass  :: ToHex ( PropertyHandle &calling_object, uint32 size )
- calling_object
 - Calling object
The calling object is the property handle for the property (variable, collection) to be processed by a external function or service. 
- size
 - Size
Size of the instance or string area. 

