get_step_progress

Description:

[ Version ( since = "1.12" ) ]
public bool get_step_progress (out int n_steps, out StepMode step_mode)

Retrieves the parameters of the step progress mode used by this.

this	a Timeline
n_steps	return location for the number of steps, or `null`
step_mode	return location for the value change policy, or `null`

true if the this is using a step progress mode, and false otherwise