Each version can therefore exist within the same location and be called without requiring subsequent versions to preserve code entry point locations as usual. NET 4.0) contain all globally available assemblies with managed filenames so that the version and public key tokens can be included. ![]() The folders within %systemroot% named assembly and Microsoft.NET\assembly (for. It is implemented and managed by the CLI. The GAC as a construct does not actually exist within the Windows OS. Instead, the virtual file system of the GAC can be used by programs that need to use each version of the assembly specifically. Since it is required that both be compiled to a file named AssemblyA, they cannot exist in the same directory within the FAT32 file system. Example of use Ī computer has two CLI assemblies both named AssemblyA, but one is version 1.0 and the other is version 2.0. NET Framework 4, the Assembly Cache Viewer shell extension is obsolete. Assemblies are installed by dragging and dropping and uninstalled by selecting and pressing the delete key or using the context menu. Browsing %windir%\assembly\ (for example, C:\WINDOWS\assembly) or %WINDIR%\Microsoft.NET\assembly, displays the assemblies contained in the cache along with their versions, culture, public key token, and processor architecture. The newer interface, the Assembly Cache Viewer, is integrated into Windows Explorer. Other options for this utility will be briefly described if you use the /? flag, i.e.: Or by copying an assembly file into the following location: One can register a shared assembly in the GAC by using the command: ![]() One can check the availability of a shared assembly in GAC by using the command: Gacutil.exe is an older command-line utility that shipped with. ![]() There are two ways to interact with the GAC: the Global Assembly Cache Tool (gacutil.exe) and the Assembly Cache Viewer (shfusion.dll). Specifically, such assemblies must be strongly named. The approach of having a specially controlled central repository addresses the flaws in the shared library concept and helps to avoid pitfalls of other solutions that led to drawbacks like DLL hell.Īssemblies residing in the GAC must adhere to a specific versioning scheme which allows for side-by-side execution of different code versions. The Global Assembly Cache ( GAC) is a machine-wide CLI assembly cache for the Common Language Infrastructure (CLI) in Microsoft's.
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