| InstallPackage | Provides access to powerful build, maintenance, and analysis operations on an installation package (.MSI or .MSM). |
| InstallPackageProperties | Accessor for getting and setting properties of the «see T:WixToolset.Dtf.WindowsInstaller.Package.InstallPackage» database. |
| InstallPath | Represents the installation path of a file or directory from an installer product database. |
| InstallPathCollection | Represents a collection of InstallPaths that are the child paths of the same parent directory. |
| InstallPathMap | Represents a mapping of install paths for all directories, components, or files in an installation database. |
| PatchPackage | Provides access to convenient properties and operations on a patch package (.MSP). |
| TransformInfo | Contains properties of a transform package (.MST). |