- Qt 5.15
- Qt D-Bus
- Qt D-Bus Examples
- D-Bus Complex Ping Pong Example
- Qt 5.15.18 Reference Documentation

# D-Bus Complex Ping Pong Example

Demonstrates usage of the Qt D-Bus typesystem.

Complex Ping Pong Example demonstrates the use of Qt D-Bus typesystem with QDBusVariant and QDBusReply. The example consists of the main application `complexping` which starts the other application, `complexpong`. Entering keywords such as `hello` and `ping` is handled by complexpong and the reply is printed to the standard output.

#### Running the Example

To run the example from Qt Creator, open the Welcome mode and select the example from Examples. For more information, visit Building and Running an Example.

To run, execute the `complexping` application.

     $ ./complexping
     Ask your question: When is the next Qt release?
     Reply was: Sorry, I don't know the answer
     Ask your question: What is the answer to life, the universe and everything?
     Reply was: 42

Example project @ code.qt.io