[ Version ( since = "1.10" ) ]
public void set_progress_func (owned TimelineProgressFunc? func)
Sets a custom progress function for this.
The progress function will be called by get_progress and will be used to compute the progress value based on the elapsed time and the total duration of the timeline.
If func is not null, the progress_mode
property will be set to CUSTOM_MODE.
If func is null, any previously set progress function will be unset, and the
progress_mode property will be set to
LINEAR.
| this |
a Timeline |
| func |
a progress function, or |
| data |
data to pass to |
| notify |
a function to be called when the progress function is removed or the timeline is disposed |