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Removes and returns the object at the beginning of the Queue.
Assembly: mscorlib (in mscorlib.dll)
nullNothingnullptrunita null reference (Nothing in Visual Basic) can be added to the Queue as a value. To distinguish between a null value and the end of the Queue, check the Count property or catch the InvalidOperationException, which is thrown when the Queue is empty.
This method is an O(1) operation.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.