MethodImplAttribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Runtime / CompilerServices / MethodImplAttribute.cs / 1305376 / MethodImplAttribute.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
namespace System.Runtime.CompilerServices {
 
    using System; 
    using System.Reflection;
 
    // This Enum matchs the miImpl flags defined in corhdr.h. It is used to specify
    // certain method properties.

    [Serializable] 
    [Flags]
[System.Runtime.InteropServices.ComVisible(true)] 
    public enum MethodImplOptions 
    {
        Unmanaged       =   System.Reflection.MethodImplAttributes.Unmanaged, 
        ForwardRef      =   System.Reflection.MethodImplAttributes.ForwardRef,
        PreserveSig     =   System.Reflection.MethodImplAttributes.PreserveSig,
        InternalCall    =   System.Reflection.MethodImplAttributes.InternalCall,
        Synchronized    =   System.Reflection.MethodImplAttributes.Synchronized, 
        NoInlining      =   System.Reflection.MethodImplAttributes.NoInlining,
        NoOptimization  =   System.Reflection.MethodImplAttributes.NoOptimization, 
        // **** If you add something, update internal MethodImplAttribute(MethodImplAttributes methodImplAttributes)! **** 
    }
 
    [Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
    public enum MethodCodeType
    { 
        IL              =   System.Reflection.MethodImplAttributes.IL,
        Native          =   System.Reflection.MethodImplAttributes.Native, 
        ///  
        OPTIL           =   System.Reflection.MethodImplAttributes.OPTIL,
        Runtime         =   System.Reflection.MethodImplAttributes.Runtime 
    }

    // Custom attribute to specify additional method properties.
[Serializable] 
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor, Inherited = false)]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class MethodImplAttribute : Attribute 
    {
        internal MethodImplOptions  _val; 
        public   MethodCodeType     MethodCodeType;

        internal MethodImplAttribute(MethodImplAttributes methodImplAttributes)
        { 
            MethodImplOptions all =
                MethodImplOptions.Unmanaged | MethodImplOptions.ForwardRef | MethodImplOptions.PreserveSig | 
                MethodImplOptions.InternalCall | MethodImplOptions.Synchronized | MethodImplOptions.NoInlining | 
                MethodImplOptions.NoOptimization;
            _val = ((MethodImplOptions)methodImplAttributes) & all; 
        }

        public MethodImplAttribute(MethodImplOptions methodImplOptions)
        { 
            _val = methodImplOptions;
        } 
 
        public MethodImplAttribute(short value)
        { 
            _val = (MethodImplOptions)value;
        }

        public MethodImplAttribute() 
        {
        } 
 
        public MethodImplOptions Value { get {return _val;} }
    } 

}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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