push_message

Description:

[ PrintfFormat ]
public void push_message (string format, ...)

Call this function to describe an operation being performed.

Call camel_operation_progress to report progress on the operation. Call camel_operation_pop_message when the operation is complete.

This function only works if cancellable is a Operation cast as a Cancellable. If cancellable is a plain Cancellable or null, the function does nothing and returns silently.

Parameters:

format	a standard printf format string
...	the parameters to insert into the format string
cancellable	a Cancellable or null