NuGet.Dialog.Providers.InstalledProvider.InstallPackageToProject C# (CSharp) Method

        protected void InstallPackageToProject(Project project, PackageItem item, bool includePrerelease)
        {
            IProjectManager projectManager = null;
            try
            {
                projectManager = PackageManager.GetProjectManager(project);
                // make sure the package is not installed in this project before proceeding
                if (!projectManager.IsInstalled(item.PackageIdentity))
                {
                    RegisterPackageOperationEvents(PackageManager, projectManager);
                    PackageManager.InstallPackage(projectManager, item.Id, item.PackageIdentity.Version, ignoreDependencies: false, allowPrereleaseVersions: includePrerelease, logger: this);
                }
            }
            finally
            {
                if (projectManager != null)
                {
                    UnregisterPackageOperationEvents(PackageManager, projectManager);
                }
            }
        }