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Contract::EnsuresOnThrow<TException> Method (Boolean)

 

Specifies a postcondition contract for the enclosing method or property, based on the provided exception and condition.

Namespace:   System.Diagnostics.Contracts
Assembly:  mscorlib (in mscorlib.dll)

public:
generic<typename TException>
where TException : Exception
[ConditionalAttribute("CONTRACTS_FULL")]
static void EnsuresOnThrow(
	bool condition
)

Parameters

condition
Type: System::Boolean

The conditional expression to test.

Type Parameters

TException

The type of exception that invokes the postcondition check.

The condition parameter specifies a postcondition that is expected to be true when the enclosing method or property terminates abnormally and an exception of type TException is thrown.

  • This method call must be at the beginning of a method or property, before any other code.

  • This contract is exposed to clients; therefore, it must only reference members that are at least as visible as the enclosing method.

  • You must use the binary rewriter for run-time enforcement of this postcondition.

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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