Undo.PerformUndo

static function PerformUndo () : void

Description

Perform an Undo operation.

This is similar to the user selecting Undo from the Edit menu.

Simple Scriptable Wizard that lets you perform an undo several times.

using UnityEngine;
using UnityEditor;

//Performs an Undo the number of times specified.

public class PerformVariousUndo : ScriptableWizard {
public int numberOfSteps = 5;

[MenuItem ("Example/Perform Various Undo %#u")]
static void ExecuteMenu() {
ScriptableWizard.DisplayWizard(
"Perform various Undo at the same time",
typeof(PerformVariousUndo),
"Undo!");
}

void OnWizardCreate() {
// We have to make this in order to make the undo
// dont reset the value entered in the inspector
int savedNumberOfSteps = numberOfSteps + 1;
for(int i = 0; i < savedNumberOfSteps; i++) {
Undo.PerformUndo();
}
}
}