4 references to Contains
PresentationFramework (1)
src\Framework\System\Windows\Controls\ItemContainerGenerator.cs (1)
334Debug.Assert(!_recyclableContainers.Contains(container), "trying to add a container to the collection twice");
System.Core (1)
Microsoft\Scripting\Ast\DebugViewWriter.cs (1)
445if (!_lambdas.Contains(node)) {
System.ServiceModel.Internals (1)
System\Runtime\ThreadNeutralSemaphore.cs (1)
114Fx.Assert(!thisPtr.waiters.Contains(data.Waiter), "The waiter should have been removed already.");
System.Workflow.Runtime (1)
Scheduler.cs (1)
358if (!transactedEntries.Contains(e.Current))