SourceOnceFunc
Description:
[ Version ( since = "2.74" ) ]
public delegate void SourceOnceFunc ()
  public delegate void SourceOnceFunc ()
A source function that is only called once before being removed from the main context automatically.
Parameters:
| user_data | data passed to the function, set when the source was created | 
Namespace: GLib
  
  Package: glib-2.0