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From: Nasha
Message 3 in Discussion
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Article : Assembly Linker (Al.exe .Net FrameWork Tools Series)
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Nasha
Hi All, Assembly linker is a tool which is used to create an assembly
by combining one or more modules and resource files. I had covered in one of
previous articles as to wat are .netmodules. If have not read it here is the link to
the same : In simple words an netmodule is an IL file that does not have manifest
in it .... you can say its an assembly without the manifest ... and hence a non
-assembly file containing IL code.
In the yesterday's example we saw how we can create the .resources file which by
itself is a binary file containing your resource data. Today we will see how we can
embed or link this resource file with other netmodules and create an assembly 1)
Create 2 .netmodules say Module1.netmodule and Module2.netmodule
2) Create a resources file say MyResources.resources (as we created in yesterdays
article ... please to the same for more details)
3) Now type the follwoing command to combine these modules and binary resource file
into a single assembly. // to create a dll. al Module1.netmodule Module2.netmodule
/embed:MyResources.resources /out:MyExecutable.dll // to create an exe.
al Module1.netmodule Module2.netmodule /embed:MyResources.resources
/out:MyExecutable.exe /target:exe /Main:Class1.Main If you dont want to embed the
resource file then use the /link option instead of /embed option with al.exe. Well
if you have an want to embed or link a resource then you can compile the resource file
when you are compliing the assembly with csc.exe or vbc.exe just use /resource to
embed the resource or /linkresource with the assembly. You can also achieve this
from VS.Net studio by including the resource file in the project and setting the Build
Action of the resource type to Embedded Resource. Al is mainly used by a lot of
developers to create resource satellite assemblies esp for creating multilingual
applications by creating resource assemblies for various cultures. If only resource
files are passed to Al.exe, the output file is a satellite resource assembly. E.g.
To create an satellite assembly for french culture 1) Create a file named
MyResource.fr-FR.txt
2) Type your name=value resource data in it to generate the resource file
3) generate the resource file with the name of MyResource.fr-FR.resources.
4) And finally create the satellite assembly as shown below for your application al
/out:MyGlobApp.resources.dll /v:1.0.0.0/c:fr-FR /embed:MyResource.fr-FR.resources,
Private Note : Check out the Private keyword in the above command. You can use the
"private" option if you want dont want other assemblies to use the embedded resource
files by default it is "public". 5) In this command we have specified the output
file name , the version of this DLL , the culture "fr-FR" which denotes french and
finally we are embedding the fr-FR.resources file in MyGlobApp.resources.dll 6)
Place this file in bin\fr-FR folder of your application and read it from the
application using the ResourceManger Class. There are a lot of other options that
are available with AL you can view these options by typing al /? or al /help. I am
enlisting a few important or frequently used ones here : /copy[right]:<text>
Copyright message /c[ulture]:<text> Supported culture
/delay[sign][+|-] Delay sign this assembly /out:<filename>
Output file name for the assembly manifest /t[arget]:lib[rary] Create a
library /t[arget]:exe Create a console executable
/t[arget]:win[exe] Create a Windows executable /trade[mark]:<text>
Trademark message /v[ersion]:<version> Version (use * to auto-generate
remaining numbers) /win32icon:<filename> Use this icon for the output
/win32res:<filename> Specifies the Win32 resource file If you checkout the help at
the end you will see this lines which show you how to go about using this tool.
Sources: (at least one source input is required) <filename>[,<targetfile>]
add file to assembly /embed[resource]:<filename>[,<name>[,Private]]
embed the file as a resource in the assembly
/link[resource]:<filename>[,<name>[,<targetfile>[,Private]]]
link the file as a resource to the assembly
-- Please post your queries and comments for my articles in the usergroup for the
benefit of all. I hope this step from my end is helpful to all of us.
Regards,
Namratha (Nasha)
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