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Visual Studio 2012
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C# Compiler Options
C# Compiler Options Listed Alphabetically
@ (Specify Response File)
/addmodule (Import Metadata)
/appconfig (Specify location of app.config file)
/baseaddress (Specify Base Address of DLL)
/bugreport (Report a Problem)
/checked (Check Integer Arithmetic)
/codepage (Specify Code Page for Source Code Files)
/debug (Emit Debugging Information)
/define (Preprocessor Definition)
/delaysign (Delay Sign the Assembly)
/doc (Process Documentation Comments)
/errorreport (Set Error Reporting Behavior)
/filealign (Specify Section Alignment)
/fullpaths (Specify Fully Qualified Path in Compiler Output)
/help, /? (Compiler Command-Line Help)
/highentropyva (Enable high-entropy ASLR)
/keycontainer (Specify Strong Name Key Container)
/keyfile (Specify Strong Name Key File)
/langversion (Conformant Syntax)
/lib (Specify Assembly Reference Locations)
/link (Link to COM Assembly)
/linkresource (Link to .NET Framework Resource)
/main (Specify Location of Main Method)
/moduleassemblyname (Specify Friend Assembly for Module)
/noconfig (Ignore csc.rsp)
/nologo (Suppress Banner Information)
/nostdlib (Do Not Import Standard Library)
/nowarn (Suppress Specified Warnings)
/nowin32manifest (No Win32 Manifest)
/optimize (Enable/Disable Optimizations)
/out (Set Output File Name)
/pdb (Specify Debug Symbol File)
/platform (Specify Output Platform)
/preferreduilang (Specify a language for compiler output)
/recurse (Find Source Files in Subdirectories)
/reference (Import Metadata)
/resource (Embed Resource File to Output)
/subsystemversion (Specify minimum subsystem version)
/target (Specify Output File Format)
/unsafe (Enable Unsafe Mode)
/utf8output (Display Compiler Messages with UTF-8)
/warn (Specify Warning Level)
/warnaserror (Treat Warnings as Errors)
/win32icon (Import an .ico File)
/win32manifest (Import a Custom Win32 Manifest File)
/win32res (Import a Win32 Resource File)
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/win32icon (C# Compiler Options)

Visual Studio 2012

The /win32icon option inserts an .ico file in the output file, which gives the output file the desired appearance in the File Explorer.

Copy 
/win32icon:filename
filename

The .ico file that you want to add to your output file.

An .ico file can be created with the Resource Compiler. The Resource Compiler is invoked when you compile a Visual C++ program; an .ico file is created from the .rc file.

See /linkresource (to reference) or /resource (to attach) a .NET Framework resource file. See /win32res to import a .res file.

To set this compiler option in the Visual Studio development environment

  1. Open the project's Properties pages.

  2. Click the Application property page.

  3. Modify the Application icon property.

For information on how to set this compiler option programmatically, see ApplicationIcon.

Compile in.cs and attach an .ico file rf.ico to produce in.exe:

Copy 
csc /win32icon:rf.ico in.cs
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