DeclaringType Property
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MemberInfo.DeclaringType Property

Gets the class that declares this member.

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

public abstract Type DeclaringType { get; }

Property Value

Type: System.Type
The Type object for the class that declares this member.

Implements

_MemberInfo.DeclaringType

The DeclaringType property retrieves a reference to the Type object for the type that declares this member. A member of a type is either declared by the type or inherited from a base type, so the Type object returned by the DeclaringType property might not be the same as the Type object used to obtain the current MemberInfo object.

  • If the Type object from which this MemberInfo object was obtained did not declare this member, the DeclaringType will represent one of its base types.

  • If the MemberInfo object is a global member, (that is, it was obtained from Module.GetMethods, which returns global methods on a module), then the returned DeclaringType will be null.

The following example shows how DeclaringType works with classes and interfaces and retrieves the member names of the System.IO.BufferedStream class, along with the class in which those members are declared. Also note that when B overrides virtual method M from A, it essentially redefines (or redeclares) this method. Therefore, B.M's MethodInfo reports the declaring type as B rather than A, even though A is where this method was originally declared.

using System;
using System.IO;
using System.Reflection;

namespace MyNamespace1 
{
    interface i 
    {
        int MyVar() ;
    };
    // DeclaringType for MyVar is i. 

    class A : i 
    {
        public int MyVar() { return 0; }
    };
    // DeclaringType for MyVar is A. 

    class B : A 
    {
        new int MyVar() { return 0; }
    };
    // DeclaringType for MyVar is B. 

    class C : A 
    {
    };
    // DeclaringType for MyVar is A.

}

namespace MyNamespace2 
{
    class Mymemberinfo 
    { 

        public static void Main(string[] args) 
        { 

            Console.WriteLine ("\nReflection.MemberInfo");

            //Get the Type and MemberInfo. 
            Type MyType =Type.GetType("System.IO.BufferedStream");
            MemberInfo[] Mymemberinfoarray = MyType.GetMembers();

            //Get and display the DeclaringType method. 
            Console.WriteLine("\nThere are {0} members in {1}.", Mymemberinfoarray.Length, MyType.FullName); 

            foreach (MemberInfo Mymemberinfo in Mymemberinfoarray) 
            {  
                Console.WriteLine("Declaring type of {0} is {1}.", Mymemberinfo.Name, Mymemberinfo.DeclaringType); 
            }
        }
    }
}

namespace MyNamespace3 
{
    class A 
    {
        virtual public void M () {}
    }
    class B: A 
    {
        override public void M () {}
    }
}
NoteNote:

DeclaringType returns only the member names and the names of their declaring types. To return the member names with their prototypes, call MemberInfo.ToString.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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