You will typically want to use a prebuilt client library or framework to interact with your message queues. There are official libraries in many different languages for the various queuing systems, which offer low-level access. For example, RabbitMQ has an official .NET/C# client library.
However, there are also other opinionated clients and frameworks, which offer a higher level of abstraction for common messaging tasks. For example, NServiceBus (NSB), which supports RabbitMQ, MSMQ, SQL Server, and Azure, is a commercial offering.
A free alternative to NSB is MassTransit (http://masstransit-project.com/), which is a lightweight service bus and distributed application framework. It has also spun out the super-convenient ...
