4 references to Contains
Microsoft.Build.Engine (2)
Collections\DualQueue.cs (2)
281return backingQueueA.Contains(item) || backingQueueB.Contains(item);
PresentationFramework (1)
System\Windows\Controls\ItemContainerGenerator.cs (1)
332Debug.Assert(!_recyclableContainers.Contains(container), "trying to add a container to the collection twice");
System.Linq.Expressions (1)
System\Linq\Expressions\DebugViewWriter.cs (1)
405if (!_lambdas.Contains(node))