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ContractOptionAttribute Constructor (String, String, String)

.NET Framework 4.5

Initializes a new instance of the ContractOptionAttribute class by using the provided category, setting, and value.

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

public ContractOptionAttribute(
	string category,
	string setting,
	string value
)

Parameters

category
Type: System.String

The category of the option to be set.

setting
Type: System.String

The option setting.

value
Type: System.String

The value for the setting.

There are only two category/setting options, and they can be set by either of the constructor overloads. You can use this overload with the same settings as the ContractOptionAttribute(String, String, Boolean) overload by specifying "true" or "false" in string format; for example:

[ContractOption("contract", "inheritance", “false”)]
class MyConcurrentList<T> : IList<T> {
   ...
}

.NET Framework

Supported in: 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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