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enum System.Runtime.ConstrainedExecution.Cer

Assembly: System.Runtime

Specifies a method's behavior when called within a constrained execution region.

Values

None

The method, type, or assembly has no concept of a CER. It does not take advantage of CER guarantees.

MayFail

In the face of exceptional conditions, the method might fail. In this case, the method will report back to the calling method whether it succeeded or failed. The method must have a CER around the method body to ensure that it can report the return value.

Success

In the face of exceptional conditions, the method is guaranteed to succeed. You should always construct a CER around the method that is called, even when it is called from within a non-CER region. A method is successful if it accomplishes what is intended. For example, marking <see cref="P:System.Collections.ArrayList.Count" /> with <c>ReliabilityContractAttribute(Cer.Success)</c> implies that when it is run under a CER, it always returns a count of the number of elements in the <see cref="T:System.Collections.ArrayList" /> and it can never leave the internal fields in an undetermined state.