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How to create a multifile assembly using ".netmodules" ? -- A Good Interview Qu
Reply
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From:
Nasha
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Hi All,
Lot of us have
been asked this question in our interviews. So here are the steps to
create a multifile assembly using ".netmodules"
.
Step
1:
1.
Create a console
application Named MultiFile1.
2.
Add a class to
this application named MyClass.
3.
Remove the
"Main" method from the class.
4.
Add a new method
to the class named "MultiFile1_Method"
5.
Go to the visual
studio command prompt, go to the directory where this class resides.
6.
Compile the
class with this command : csc /t:module MyClass.cs
7.
This is will
create a file with extension ".netmodule" named MyClass.netmodule.
Code
:
using System;
namespace MultiFile1
{
class
MyClass
{
public void
MultiFile1_Method()
{
Console.WriteLine("This
is a method from MultiFile1");
Console.ReadLine();
}
}
}
Step 2:
-
Add another class to the
project named MyClient.cs
-
Change the namespace of
the class from "Multifile1" to "MultiFile2"
-
Add the reference to the
"MultiFile1" namespace.
-
Add the main method to
the class.
-
Call the method
"MultiFile1_Method" of Myclass in the Main.
-
Go to the visual studio
command prompt, go to the directory where this class
resides.
-
Compile the class with
this command : csc /addmodule:MyClass.netmodule /t:module
MyClient.cs
-
This is will create a
file with extension ".netmodule" named
MyClient.netmodule.
Code
:
using System;
using
MultiFile1;
namespace
MultiFile2
{
public class
MyClient
{
public
MyClient()
{
}
public static void
Main()
{
MultiFile1.MyClass oMyClass =
new
MyClass();
oMyClass.MultiFile1_Method();
}
}
}
Step 3:
1.
Go to the visual studio
command prompt, go to the directory where these classes
reside
2. Create the assembly with the
following command :
al MyClass.netmodule MyClient.netmodule /main:MultiFile2.MyClient.Main
/out:MyAssembly.exe /target:exe<o:p></o:p>
3. MyAssembly.exe will be
created.
<o:p>4. O</o:p>pen
the exe with ildasm and you will refernces to the two .netmodules that we
created .
MyAssembly opened in ildasm
:
.module extern
MyClient.netmodule
.assembly extern mscorlib
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89
)
// .z\V.4..
.hash = (E6 8E F4 00 2B 3C 3C 88 D6 32 F2 72 A3 22 FA
C8 //
....+<<..2.r."..
A7 7B 24 07
)
// .{$.
.ver 1:0:5000:0
}
.assembly MyAssembly
{
// --- The following custom attribute is added automatically, do not uncomment
-------
// .custom instance void
[mscorlib]System.Diagnostics.DebuggableAttribute::.ctor(bool,
//
bool) = ( 01 00 00 01 00 00 )
.hash algorithm 0x00008004
.ver 0:0:0:0
}
.file
MyClass.netmodule
.hash = (92 EC 2F E8 F2 90 4B 2D 54 C6
AC 4C C5 69 CF 92 //
../...K-T..L.i..
37 2B A1 2F
)
// 7+./
.file MyClient.netmodule
.hash = (7B 4E 77 76
94 24 D9 3D 26 B4 3C 98 BA B1 49 3E //
{Nwv.$.=&.<...I>
9C 45 90 0A
)
// .E..
.class extern public
MultiFile2.MyClient
{
.file MyClient.netmodule
.class
0x02000002
}
.module MyAssembly.exe
// MVID:
{0B92C2A4-6956-4ED7-A40D-BAB2D6C505D4}
.imagebase 0x00400000
.subsystem
0x00000003
.file alignment 512
.corflags 0x00000001
// Image base:
0x071f0000
--
Please mail me your comments for my
articles. I hope this step from my end is helpful to all of
us.
Regards,
Namratha (Nasha).
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