Professional IronPython

: Suppresses the output of custom attributes.
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/CAVERBAL
: Displays all of the Custom Attribute (CA) blobs in verbal form. The default 
setting outputs the CA blobs in binary form. Using this command line switch can make the 
code more readable, but also makes it more verbose (larger).
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/NOBAR
: Tells ILDasm not to display the progress bar as it redirects the interop assembly 
output to another location (such as a file). 
ILDasm includes a number of command line switches that affect file and console output only. The 
following command line switches work for EXE and DLL files.
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/UTF8
: Forces ILDasm to use UTF-8 encoding for output in place of the default ANSI encoding.
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/UNICODE
: Forces ILDasm to use Unicode encoding for output in place of the default 
ANSI encoding.
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/NOIL
: Suppresses Intermediate Language (IL) assembler code output. Unfortunately, this 
option isn’t particularly useful because it creates a file that contains just the disassembly com-
ments, not any of the class or method information. You do get the resource (
.RES
) file contain-
ing the resource information for the interop assembly (such as the version number). To use this 
command line switch, you must include redirection such as 
ILDasm /OUT=WMPLib.HTML / 
HTML /NOIL WMPLib.DLL
to produce 
WMPLib.HTML
as output.
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/FORWARD
: Forces ILDasm to use forward class declaration. In some cases, this command line 
switch can reduce the size of the disassembly.
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Defining an Interop DLL
 
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