The code for the SDL Banned API IDE Visual Studio extension is available in SDLBanned.zip.
There are two folders in the ZIP file: src and bin. The source code folder includes the necessary C# code and VS2010 project to tweak the code. The binary code folder includes a single file: BannedAPIextension.vsix.
Double-clicking this file will install it into Visual Studio 2010. You can enable, disable and uninstall extensions from the Visual Studio Tools | Extension Manager menu.
More detail Information, click here.