MethodBase.IsFamilyAndAssembly Property


Gets a value indicating whether the visibility of this method or constructor is described by MethodAttributes.FamANDAssem; that is, the method or constructor can be called by derived classes, but only if they are in the same assembly.

Namespace:   System.Reflection
Assembly:  mscorlib (in mscorlib.dll)

public bool IsFamilyAndAssembly { get; }

Property Value

Type: System.Boolean

true if access to this method or constructor is exactly described by MethodAttributes.FamANDAssem; otherwise, false.

The visibility of a method or constructor is exactly described by MethodAttributes.FamANDAssem if the visibility modifier is protected private in C++. Methods with this visibility cannot be defined in Visual Basic or C#.

The following code example defines methods with varying levels of visibility, and displays the values of their IsAssembly, IsFamily, IsFamilyOrAssembly, and IsFamilyAndAssembly properties.


The Visual Basic and C# languages cannot define methods with MethodAttributes.FamANDAssem visibility; that access level appears only in the C++ example.

using System;
using System.Reflection;

public class Example
    public void m_public() {}
    internal void m_internal() {}
    protected void m_protected() {}
    protected internal void m_protected_public() {}

    public static void Main()
        Console.WriteLine("\n{0,-30}{1,-18}{2}", "", "IsAssembly", "IsFamilyOrAssembly"); 
            "", "IsPublic", "IsFamily", "IsFamilyAndAssembly");

        foreach (MethodBase m in typeof(Example).GetMethods(
            BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public))
            if (m.Name.Substring(0, 1) == "m")

/* This code example produces output similar to the following:

                              IsAssembly        IsFamilyOrAssembly
                     IsPublic          IsFamily          IsFamilyAndAssembly

m_public             True     False    False    False    False
m_internal           False    True     False    False    False
m_protected          False    False    True     False    False
m_protected_public   False    False    False    True     False

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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