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Each installation project can contain paths to known folders for example, to Program Files, My Documents, Windows System folder etc. But using hard-coded paths to this folders may cause problems because such paths are different on various platforms. For example, the Windows folder may be "C:\Windows" on one system and "C:\Winnt" on another.
Another common installation problem is using known strings in several places: product and company name, product version and installation folder.
AWinstall supports a set of installer variables that can help you in solving this problem. Instead of using hardcoded paths use macro form containing installer variable: ${VariableName}.
You can also use Pseudo-Variables for reading Registry data and Environment strings. Please refer to the Pseudo-Variables reference for more details.
The list of built-in AWinstall variables is provided below. You may create a new variables using Script actions.
Variable name
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Value
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User-defined
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CompanyName
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Your company name
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Yes
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ProductName
|
Installation product name
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Yes
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ProductVersion
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Installation product version
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Yes
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ProductMenu
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Folder for creating program menu shortcuts
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Yes1
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ProductPath
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Folder for creating product files and folders
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Yes
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IsUserAnAdmin
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Contains "1" if the current user has Administrator privileges; otherwise contains "0".
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No
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NetFrameworkFullVersion
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Full version number of .NET Framework installed, for example: "2.0.50727"
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No
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NetFrameworkShortVersion
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Short form of the .NET Framework version number, for example: "2.0"
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No
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WindowTitle
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Installer window title
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Yes
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UninstallTitle
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Uninstaller window title
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Yes
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InstallerPath
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The path to folder containing installer executable
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No
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InstallerFile
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The name of the installer executable. For example: setup.exe
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No
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DesktopPath
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Desktop folder
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No
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FontsPath
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System fonts folder
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No
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MyDocumentsPath
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'My Documents' folder
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No
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ProgramsPath
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'Program Files' folder
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No
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CommonFiles
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'Common files' folder
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No
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SystemPath
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Windows System (System32) folder
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No
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QuickLaunch
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Quick Launch folder
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No
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UserAppData
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'Application Data' folder2
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No
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CommonAppData
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'Application Data' folder for all users3
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No
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Favorites
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The Internet Explorer "Favorites" folder
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No
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CommonFavorites
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The "Favorites" folder for all users
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No
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TempPath
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Temporary files folder
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No
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WindowsPath
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Windows folder
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No
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CommonProgramsMenu
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Common Programs menu folder
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No
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CommonDesktopPath
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Common Desktop folder
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No
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CommonStartMenu
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Common Start menu folder
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No
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CommonStartupMenu
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Common Startup menu folder
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No
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UserProgramsMenu
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User Programs menu folder
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No
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UserStartMenu
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User Start menu folder
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No
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UserStartupMenu
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User Startup menu folder
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No
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UninstallCommand
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Path to uninstaller executable
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No
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UninstallLog
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Path to uninstall log file
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No
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1This variable is recommended for simple managing Start menu shortcuts. You can choose it value in 'Project Settings' dialog ('Folders' page):
If you will choose 'User Menu' item, this folder will address to ${UserProgramsMenu}\${ProductName}. Else it will point to ${CommonProgramsMenu}\${ProductName}. During installation, you can allow users to change this folder.
2This folder may not exist on older systems (Windows® 95 or Windows® NT without the Microsoft® Internet Explorer 4.0 integrated Shell installed).
3This folder may not exist on older systems (Windows® 95/98 or Windows® NT without the Microsoft® Internet Explorer 5.0).
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