Signals for GtkGamma & GtkCurve

[Sven Anders <anderss fmi uni-passau de>]

Hello !
 
What is the correct Signal to catch, if a GtkCurve or GtkGamma has changed
its values ?! I want to update my data, if the values had changed,
continously.

As far as I can see, there are none. Is this right ?!

Best Regards
 Sven

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