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AssemblyName.CodeBase Property

Gets or sets the location of the assembly as a URL.

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

public string CodeBase { get; set; }
/** @property */
public String get_CodeBase ()

/** @property */
public void set_CodeBase (String value)

public function get CodeBase () : String

public function set CodeBase (value : String)

Not applicable.

Property Value

A string that is the URL location of the assembly.

When an assembly is loaded, this value can also be obtained using the Assembly.CodeBase property.

If the assembly was loaded as a byte array, this property returns the location of the caller of the Load(Byte[]) method overload, not the location of the loaded assembly.

The following example emits a dynamic assembly and saves it to the current directory. When the assembly is created, the CodeBase property is used to specify the directory where the assembly is saved.


using System;
using System.Reflection;
using System.Threading;
using System.IO;
using System.Globalization;
using System.Reflection.Emit;
using System.Configuration.Assemblies;

public class AssemblyName_CodeBase
{
   public static void MakeAssembly(AssemblyName myAssemblyName, string fileName)
   {
      // Get the assembly builder from the application domain associated with the current thread.
      AssemblyBuilder myAssemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(myAssemblyName, AssemblyBuilderAccess.RunAndSave);
      // Create a dynamic module in the assembly.
      ModuleBuilder myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("MyModule", fileName);
      // Create a type in the module.
      TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("MyType");
      // Create a method called 'Main'.
      MethodBuilder myMethodBuilder = myTypeBuilder.DefineMethod("Main", MethodAttributes.Public | MethodAttributes.HideBySig |
         MethodAttributes.Static, typeof(void), null);
      // Get the Intermediate Language generator for the method.
      ILGenerator myILGenerator = myMethodBuilder.GetILGenerator();
      // Use the utility method to generate the IL instructions that print a string to the console.
      myILGenerator.EmitWriteLine("Hello World!");
      // Generate the 'ret' IL instruction.
      myILGenerator.Emit(OpCodes.Ret);
      // End the creation of the type.
      myTypeBuilder.CreateType();
      // Set the method with name 'Main' as the entry point in the assembly.
      myAssemblyBuilder.SetEntryPoint(myMethodBuilder);
      myAssemblyBuilder.Save(fileName);
   }

   public static void Main()
   {



      // Create a dynamic assembly with name 'MyAssembly' and build version '1.0.0.2001'.
      AssemblyName myAssemblyName = new AssemblyName();
      // Set the codebase to the physical directory were the assembly resides.
      myAssemblyName.CodeBase = Directory.GetCurrentDirectory();
      // Set the culture information of the assembly to 'English-American'.
      myAssemblyName.CultureInfo = new CultureInfo("en-US");
      // Set the hash algoritm to 'SHA1'.
      myAssemblyName.HashAlgorithm = AssemblyHashAlgorithm.SHA1;
      myAssemblyName.Name = "MyAssembly";
      myAssemblyName.Version = new Version("1.0.0.2001");
      MakeAssembly(myAssemblyName, "MyAssembly.exe");

      // Get all the assemblies currently loaded in the application domain.
      Assembly[] myAssemblies = Thread.GetDomain().GetAssemblies();

      // Get the dynamic assembly named 'MyAssembly'. 
      Assembly myAssembly = null;
      for(int i = 0; i < myAssemblies.Length; i++)
      {
         if(String.Compare(myAssemblies[i].GetName().Name, "MyAssembly") == 0)
            myAssembly = myAssemblies[i];
      }
      // Display the full assembly information to the console.
      if(myAssembly != null)
      {
         Console.WriteLine("\nDisplaying the full assembly name\n");
         Console.WriteLine(myAssembly.GetName().FullName);
      }
   }
}

import System.*;
import System.Reflection.*;
import System.Threading.*;
import System.IO.*;
import System.Globalization.*;
import System.Reflection.Emit.*;
import System.Configuration.Assemblies.*;

public class AssemblyNameCodeBase
{
    public static void MakeAssembly(AssemblyName myAssemblyName, 
        String fileName) 
    {
        // Get the assembly builder from the application domain associated 
        // with the current thread.
        AssemblyBuilder myAssemblyBuilder = System.Threading.Thread.GetDomain().
            DefineDynamicAssembly(myAssemblyName, 
            AssemblyBuilderAccess.RunAndSave);

        // Create a dynamic module in the assembly.
        ModuleBuilder myModuleBuilder = myAssemblyBuilder.
            DefineDynamicModule("MyModule", fileName);

        // Create a type in the module.
        TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("MyType");

        // Create a method called 'main'.
        MethodBuilder myMethodBuilder = myTypeBuilder.DefineMethod("main",
            MethodAttributes.Public | MethodAttributes.HideBySig | 
            MethodAttributes.Static, void.class.ToType(), null);

        // Get the Intermediate Language generator for the method.
        ILGenerator myILGenerator = myMethodBuilder.GetILGenerator();

        // Use the utility method to generate the IL instructions that 
        // print a string to the console.
        myILGenerator.EmitWriteLine("Hello World!");

        // Generate the 'ret' IL instruction.
        myILGenerator.Emit(OpCodes.Ret);

        // End the creation of the type.
        myTypeBuilder.CreateType();

        // Set the method with name 'main' as the entry point in the assembly.
        myAssemblyBuilder.SetEntryPoint(myMethodBuilder);
        myAssemblyBuilder.Save(fileName);
    } //MakeAssembly

    public static void main(String[] args)
    {
        // Create a dynamic assembly with name 'MyAssembly' and 
        // build version '1.0.0.2001'.
        AssemblyName myAssemblyName = new AssemblyName();

        // Set the codebase to the physical directory were the assembly resides.
        myAssemblyName.set_CodeBase(Directory.GetCurrentDirectory());

        // Set the culture information of the assembly to 'English-American'.
        myAssemblyName.set_CultureInfo(new CultureInfo("en-US"));

        // Set the hash algoritm to 'SHA1'.
        myAssemblyName.set_HashAlgorithm(AssemblyHashAlgorithm.SHA1);
        myAssemblyName.set_Name("MyAssembly");
        myAssemblyName.set_Version(new Version("1.0.0.2001"));
        MakeAssembly(myAssemblyName, "MyAssembly.exe");

        // Get all the assemblies currently loaded in the application domain.
        Assembly myAssemblies[] = System.Threading.Thread.GetDomain().
            GetAssemblies();

        // Get the dynamic assembly named 'MyAssembly'. 
        Assembly myAssembly = null;
        for (int i = 0; i < myAssemblies.length; i++) {
            if (String.Compare(((Assembly)myAssemblies.get_Item(i)).GetName()
               .get_Name(), "MyAssembly") == 0) {
                myAssembly = (Assembly)myAssemblies.get_Item(i);
            }
        }

        // Display the full assembly information to the console.
        if (myAssembly != null) {
            Console.WriteLine("\nDisplaying the full assembly name\n");
            Console.WriteLine(myAssembly.GetName().get_FullName());
        }
    } 
} 

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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