C++ SDK

Reading Guide

Chapter	Focus	Best For
Overview and Setup	SDK scope, quick start, connection semantics, thread model, and minimal examples	Developers integrating the SDK for the first time
Data Structures	Status codes, common types, business structures, topic constants, and return conventions	Developers who need to understand API input and output
C++17 Methods	Method signatures, parameters, return values, limitations, and compatible versions by module	Developers building applications with the C++17 facade
C99 API	C-style API overview, module grouping, handle lifecycle, and out-parameter rules	Developers integrating a C ABI or cross-language binding
Examples and Verification	Example usage, test entries, and the mapping between docs and samples	Developers validating behavior or troubleshooting integration

Reading Conventions

Method pages use the following structure:

Item	Meaning
C++17 Signature	The real signature exposed by the current public headers
Reference Source	Supplemental source for cross-checking the current SDK
Input	Parameter name, type, meaning, nullability, and value requirements
Output	Meaning of STATUS_CODE , std::pair<T, STATUS_CODE> , or void
Limits and Behavior	Preconditions, default values, failure data, and differences from other SDKs or old docs
Related Types	Direct links to the data structure pages for return-value structures