Windows Dev Center

TargetFrameworkAttribute Class

Identifies the version of the .NET Framework that a particular assembly was compiled against.

System.Object
  System.Attribute
    System.Runtime.Versioning.TargetFrameworkAttribute

Namespace:  System.Runtime.Versioning
Assembly:  mscorlib (in mscorlib.dll)

[AttributeUsageAttribute(AttributeTargets.Assembly, AllowMultiple = false, 
	Inherited = false)]
public sealed class TargetFrameworkAttribute : Attribute

The TargetFrameworkAttribute type exposes the following members.

  NameDescription
Public methodTargetFrameworkAttributeInitializes an instance of the TargetFrameworkAttribute class by specifying the .NET Framework version against which an assembly was built.
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  NameDescription
Public propertyFrameworkDisplayNameGets the display name of the .NET Framework version against which an assembly was built.
Public propertyFrameworkNameGets the name of the .NET Framework version against which a particular assembly was compiled.
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  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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The TargetFrameworkAttribute class provides an attribute that you can apply to an assembly to indicate the version of the .NET Framework runtime against which the assembly was built. The following example applies the TargetFrameworkAttribute to an assembly to indicate .NET version information.


Imports System.Runtime.Versioning

<Assembly: TargetFramework("Phone,Version=v7.1)")> 

Namespace MyCompany.Utilities
   Public Class StringLibrary
      ' Members defined here.
   End Class
End Namespace


The TargetFrameworkAttribute class constructor has a single parameter, frameworkName, that specifies the .NET Framework version against which the assembly was built. This parameter maps to the FrameworkName property. In addition, the TargetFrameworkAttribute attribute can specify a FrameworkDisplayName property to provide a more descriptive .NET Framework version string that is suitable for displaying to clients of the assembly. The following example applies the TargetFrameworkAttribute to an assembly and assigns both property values to indicate assembly version information.


Imports System.Runtime.Versioning

<Assembly: TargetFramework("Phone,Version=v7.1)", _
          FrameworkDisplayName:="Windows Phone, Version 7.1")> 

Namespace MyCompany.Utilities
   Public Class StringLibrary
      ' Members defined here.
   End Class
End Namespace


Version Notes

Windows Phone

This type is present to support the .NET Compact Framework infrastructure in Windows Phone, and it is not intended to be used in your application code.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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