AssemblyFlagsAttribute Class

Definition

Namespace:

System.Reflection

Assembly:

System.Runtime.dll

Source:

AssemblyFlagsAttribute.cs

Specifies a bitwise combination of AssemblyNameFlags flags for an assembly, describing just-in-time (JIT) compiler options, whether the assembly is retargetable, and whether it has a full or tokenized public key. This class cannot be inherited.

public ref class AssemblyFlagsAttribute sealed : Attribute

[System.AttributeUsage(System.AttributeTargets.Assembly, Inherited=false)]
public sealed class AssemblyFlagsAttribute : Attribute

[<System.AttributeUsage(System.AttributeTargets.Assembly, Inherited=false)>]
type AssemblyFlagsAttribute = class
    inherit Attribute

Public NotInheritable Class AssemblyFlagsAttribute
Inherits Attribute

Inheritance

Object

Attribute

AssemblyFlagsAttribute

Attributes

AttributeUsageAttribute

Examples

The following code example shows how to apply the AssemblyFlagsAttribute to an assembly, and how to read the flags at run time. The example also creates an instance of the attribute, and uses the AssemblyFlags property to display the flags. For an example of how to apply the AssemblyFlagsAttribute to a dynamic assembly, see the AssemblyName.Flags property.

using namespace System;
using namespace System::Reflection;

// Specify a combination of AssemblyNameFlags for this
// assembly.
[assembly:AssemblyFlagsAttribute(
     AssemblyNameFlags::EnableJITcompileOptimizer
   | AssemblyNameFlags::Retargetable)];

public ref class Example
{
public:
   static void Main()
   {
      // Get this assembly.
      Assembly^ thisAsm = Example::typeid->Assembly;
      
      // Get the AssemblyName for this assembly.
      AssemblyName^ thisAsmName = thisAsm->GetName( false );
      
      // Display the flags that were set for this assembly.
      ListFlags( thisAsmName->Flags );
      
      // Create an instance of AssemblyFlagsAttribute with the
      // same combination of flags that was specified for this
      // assembly. Note that PublicKey is included automatically
      // for the assembly, but not for this instance of
      // AssemblyFlagsAttribute.
      AssemblyFlagsAttribute^ afa = gcnew AssemblyFlagsAttribute( 
         static_cast<AssemblyNameFlags> (AssemblyNameFlags::EnableJITcompileOptimizer
                                       | AssemblyNameFlags::Retargetable) );
      
      // Get the flags. The property returns an integer, so
      // the return value must be cast to AssemblyNameFlags.
      AssemblyNameFlags anf = static_cast<AssemblyNameFlags>(afa->AssemblyFlags);
      
      // Display the flags.
      Console::WriteLine();
      ListFlags( anf );
   }

private:
   static void ListFlags( AssemblyNameFlags anf )
   {
      if ( anf == AssemblyNameFlags::None )
      {
         Console::WriteLine( L"AssemblyNameFlags.None" );
      }
      else
      {
         if ( 0 != static_cast<Int32>(anf & AssemblyNameFlags::Retargetable) )
                  Console::WriteLine( L"AssemblyNameFlags.Retargetable" );
         if ( 0 != static_cast<Int32>(anf & AssemblyNameFlags::PublicKey) )
                  Console::WriteLine( L"AssemblyNameFlags.PublicKey" );
         if ( 0 != static_cast<Int32>(anf & AssemblyNameFlags::EnableJITcompileOptimizer) )
                  Console::WriteLine( L"AssemblyNameFlags.EnableJITcompileOptimizer" );
         if ( 0 != static_cast<Int32>(anf & AssemblyNameFlags::EnableJITcompileTracking) )
                  Console::WriteLine( L"AssemblyNameFlags.EnableJITcompileTracking" );
      }
   }

};

int main()
{
   Example::Main();
}

/* This code example produces the following output:

AssemblyNameFlags.Retargetable
AssemblyNameFlags.PublicKey
AssemblyNameFlags.EnableJITcompileOptimizer

AssemblyNameFlags.Retargetable
AssemblyNameFlags.EnableJITcompileOptimizer
*/

using System;
using System.Reflection;

// Specify a combination of AssemblyNameFlags for this
// assembly.
[assembly:AssemblyFlagsAttribute(
    AssemblyNameFlags.EnableJITcompileOptimizer |
    AssemblyNameFlags.Retargetable)]

public class Example
{
    public static void Main()
    {
        // Get this assembly.
        Assembly thisAsm = typeof(Example).Assembly;

        // Get the AssemblyName for this assembly.
        AssemblyName thisAsmName = thisAsm.GetName(false);

        // Display the flags that were set for this assembly.
        ListFlags(thisAsmName.Flags);

        // Create an instance of AssemblyFlagsAttribute with the
        // same combination of flags that was specified for this
        // assembly. Note that PublicKey is included automatically
        // for the assembly, but not for this instance of
        // AssemblyFlagsAttribute.
        AssemblyFlagsAttribute afa = new AssemblyFlagsAttribute(
            AssemblyNameFlags.EnableJITcompileOptimizer |
            AssemblyNameFlags.Retargetable);

        // Get the flags. The property returns an integer, so
        // the return value must be cast to AssemblyNameFlags.
        AssemblyNameFlags anf = (AssemblyNameFlags) afa.AssemblyFlags;

        // Display the flags.
        Console.WriteLine();
        ListFlags(anf);
    }

    private static void ListFlags(AssemblyNameFlags anf)
    {
        if (anf == AssemblyNameFlags.None)
        {
            Console.WriteLine("AssemblyNameFlags.None");
        }
        else
        {
            if (0!=(anf & AssemblyNameFlags.Retargetable))
                Console.WriteLine("AssemblyNameFlags.Retargetable");
            if (0!=(anf & AssemblyNameFlags.PublicKey))
                Console.WriteLine("AssemblyNameFlags.PublicKey");
            if (0!=(anf & AssemblyNameFlags.EnableJITcompileOptimizer))
                Console.WriteLine("AssemblyNameFlags.EnableJITcompileOptimizer");
            if (0!=(anf & AssemblyNameFlags.EnableJITcompileTracking))
                Console.WriteLine("AssemblyNameFlags.EnableJITcompileTracking");
        }
    }
}

/* This code example produces the following output:

AssemblyNameFlags.Retargetable
AssemblyNameFlags.PublicKey
AssemblyNameFlags.EnableJITcompileOptimizer

AssemblyNameFlags.Retargetable
AssemblyNameFlags.EnableJITcompileOptimizer
*/

Imports System.Reflection

' Specify a combination of AssemblyNameFlags for this 
' assembly.
<Assembly:AssemblyFlagsAttribute( _
       AssemblyNameFlags.EnableJITcompileOptimizer _
    Or AssemblyNameFlags.Retargetable)>

Public Class Example
    Public Shared Sub Main()
        ' Get this assembly.
        Dim thisAsm As Assembly = GetType(Example).Assembly

        ' Get the AssemblyName for this assembly.
        Dim thisAsmName As AssemblyName = thisAsm.GetName(False)

        ' Display the flags that were set for this assembly.
        ListFlags(thisAsmName.Flags)

        ' Create an instance of AssemblyFlagsAttribute with the
        ' same combination of flags that was specified for this
        ' assembly. Note that PublicKey is included automatically
        ' for the assembly, but not for this instance of
        ' AssemblyFlagsAttribute.
        Dim afa As New AssemblyFlagsAttribute( _
               AssemblyNameFlags.EnableJITcompileOptimizer _
            Or AssemblyNameFlags.Retargetable)

        ' Get the flags. The property returns an integer, so
        ' the return value must be cast to AssemblyNameFlags.
        Dim anf As AssemblyNameFlags = _
            CType(afa.AssemblyFlags, AssemblyNameFlags)

        ' Display the flags.
        Console.WriteLine()
        ListFlags(anf)
    End Sub

    Private Shared Sub ListFlags(ByVal anf As AssemblyNameFlags)

        If anf = AssemblyNameFlags.None Then
            Console.WriteLine("AssemblyNameFlags.None")
        Else
            If 0 <> (anf And AssemblyNameFlags.Retargetable) Then _
                Console.WriteLine("AssemblyNameFlags.Retargetable")
            If 0 <> (anf And AssemblyNameFlags.PublicKey) Then _
                Console.WriteLine("AssemblyNameFlags.PublicKey")
            If 0 <> (anf And AssemblyNameFlags.EnableJITcompileOptimizer) Then _
                Console.WriteLine("AssemblyNameFlags.EnableJITcompileOptimizer")
            If 0 <> (anf And AssemblyNameFlags.EnableJITcompileTracking) Then _
                Console.WriteLine("AssemblyNameFlags.EnableJITcompileTracking")
        End If

    End SUb
End Class

' This code example produces the following output:
'
'AssemblyNameFlags.Retargetable
'AssemblyNameFlags.PublicKey
'AssemblyNameFlags.EnableJITcompileOptimizer
'
'AssemblyNameFlags.Retargetable
'AssemblyNameFlags.EnableJITcompileOptimizer

Remarks

The AssemblyNameFlags enumeration describes the assembly characteristics that can be set using this attribute.

To access the flags that have been specified for an assembly, use the Assembly.GetName property to obtain an AssemblyName object, then use the AssemblyName.Flags property to obtain an AssemblyNameFlags value.

To specify AssemblyNameFlags flags for a dynamic assembly, set the AssemblyName.Flags property of the AssemblyName object that you pass to the AppDomain.DefineDynamicAssembly method.

Constructors

AssemblyFlagsAttribute(AssemblyNameFlags)	Initializes a new instance of the AssemblyFlagsAttribute class with the specified combination of AssemblyNameFlags flags.
AssemblyFlagsAttribute(Int32)	Obsolete. Initializes a new instance of the AssemblyFlagsAttribute class with the specified combination of AssemblyNameFlags flags, cast as an integer value.
AssemblyFlagsAttribute(UInt32)	Obsolete. Initializes a new instance of the AssemblyFlagsAttribute class with the specified combination of AssemblyNameFlags flags, cast as an unsigned integer value.

Properties

AssemblyFlags	Gets an integer value representing the combination of AssemblyNameFlags flags specified when this attribute instance was created.
Flags	Obsolete. Gets an unsigned integer value representing the combination of AssemblyNameFlags flags specified when this attribute instance was created.
TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute)

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IsDefaultAttribute()	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute)
Match(Object)	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

See also

• AssemblyNameFlags
• GetName
• Flags