Professional IronPython

/rcw:
FileName
: Specifies an assembly to use for Runtime Callable Wrapper (RCW) rather 
than generating a new one. In most cases, you want to generate a new RCW when working 
with IronPython.
➤
➤
/nologo
: Prevents the AxImp utility from displaying a logo when it starts execution. This 
option is useful when performing batch processing.
➤
➤
/silent
: Prevents the AxImp utility from displaying any output, except error information. 
This option is useful when performing batch processing.
➤
➤
/verbose
: Tells the AxImp utility to display every available piece of information about 
the process used to create the output assembly. This option is useful when you need to 
verify the assembly before placing it in a production environment or when you suspect a 
subtle error is causing application problems (or you’re simply curious).
/?
➤
➤
 
or 
/help
: Displays a help message containing a list of command line options for the version 
of AxImp that you’re using.
Creating the Windows Media Player Interop DLL
Now that you have an idea of how to use the AxImp utility, it’s time to see the utility in action. 
The following command line creates an interop assembly for the Windows Media Player.
AxImp %SystemRoot%\System32\WMP.DLL
This command line switch doesn’t specify any options. It does include 
%SystemRoot%
, which points 
to the Windows directory on your machine (making it possible to use the command line on more 
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CHAPTER 9
InteractIng wIth cOM Objects
than one system, even if those systems have slightly different configurations). When you execute this 
command line, you see the AxImp utility logo. After a few minutes work, you’ll see one or more 
warning or error messages if the AxImp utility encounters problems. Eventually, you see a success 
message, as shown in Figure 9-6.