Redstone circuit in Minecraft?

I have a question regarding Redstone. How can I build a circuit where the redstone is activated and sticky pistons are already expressed and then when I build a switch and press that the circuit disables itself. So that I can off the switch arbitrarily and grow, but the circuit is activated even without the switch.

Have not played the game for a long time, but I think you can leave the piston activated with a redstonefakel and dismantle it with a lever.

You have to "negate" the signal ie reverse, it goes with a Redstone torch that is on a block, and in this block then a signal must be rich, which then turns off the torch:-)

Unfortunately I do not understand exactly what you mean now.

Do you want, you want to have a piston that is extended and you can push in and out with a push of a button permanently?

So a piston that is extended and when I press switch that retracts. But the stop should already be extended without first pressing the switch.

Do you mean lever or button.

That's probably right?

Thank you very much now.