using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Technewlogic.Crud.Framework { internal class NavigationStack : Stack<ViewModel> { public ViewModel Goto(ViewModel vm) { // TODO: check contains while (this.Count > 0) { ViewModel stackElement = this.Pop(); if (stackElement == vm) { this.Push(stackElement); return stackElement; } } return null; // oder check von oben: throw exception } } }
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