ANSI C Based OPC UA Client/Server/PubSub SDK
OpcUa_Guid Struct Reference

A 16-byte globally unique identifier. More...

Detailed Description

A 16-byte globally unique identifier.

Its layout is shown in the following table:

Component Data Type
Data1 UInt32
Data2 UInt16
Data3 UInt16
Data4 Byte[8]

Guid values may be represented as a string in this form:

Where Data1 is 8 characters wide, Data2 and Data3 are 4 characters wide and each Byte in Data4 is 2 characters wide. Each value is formatted as a hexadecimal number padded zeros. A typical Guid value would look like this when formatted as a string:


The documentation for this struct was generated from the following file: