[ Version ( since = "0.15.5" ) ]
public async bool join_async (string message) throws Error
Join channel this with message as join message.
When we joined the channel, callback will be called. You can then call join_async.end to get the
result of the operation.
Note that unlike leave_async, TP_CHANNEL_FEATURE_GROUP
feature must be prepared before calling this function.
| this |
a Channel |
| message |
the join message |
| callback |
a callback to call when we joined the channel |
| user_data |
data to pass to |