GH_GradientAddGrip Method

Add a new grip to the gradient. The colour of the grip will be picked so that there is no difference to the gradient, though this is not actually possible when the interpolation mode is not linear.

Add a new grip to the gradient. This method does not raise the GradientChanged event, so you need to do that yourself by calling OnGradientChanged().

Add a new single-colour grip.

Add a new bi-colour grip.