C# Project.GetTargetFramework方法代码示例

        public ProjectDescription GetDescription(NuGetFramework targetFramework, Project project, LockFileTargetLibrary targetLibrary)
        {
            // This never returns null
            var targetFrameworkInfo = project.GetTargetFramework(targetFramework);
            var dependencies = new List<LibraryRange>(targetFrameworkInfo.Dependencies);            

            // Add all of the project's dependencies
            dependencies.AddRange(project.Dependencies);

            if (targetFramework != null && targetFramework.IsDesktop())
            {
                dependencies.Add(new LibraryRange("mscorlib", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                dependencies.Add(new LibraryRange("System", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                if (targetFramework.Version >= new Version(3, 5))
                {
                    dependencies.Add(new LibraryRange("System.Core", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                    if (targetFramework.Version >= new Version(4, 0))
                    {
                        if (!dependencies.Any(dep => string.Equals(dep.Name, "Microsoft.CSharp", StringComparison.OrdinalIgnoreCase)))
                        {
                            dependencies.Add(new LibraryRange("Microsoft.CSharp", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));
                        }
                    }
                }
            }
            
            if (targetLibrary != null)
            {
                // The lock file entry might have a filtered set of dependencies
                var lockFileDependencies = targetLibrary.Dependencies.ToDictionary(d => d.Id);

                // Remove all non-framework dependencies that don't appear in the lock file entry
                dependencies.RemoveAll(m => !lockFileDependencies.ContainsKey(m.Name) && m.Target != LibraryType.ReferenceAssembly);
            }

            // Mark the library as unresolved if there were specified frameworks
            // and none of them resolved
            bool unresolved = targetFrameworkInfo.FrameworkName == null;

            return new ProjectDescription(
                new LibraryRange(project.Name, LibraryType.Unspecified),
                project,
                dependencies,
                targetFrameworkInfo,
                !unresolved);
        }

        public ProjectDescription GetDescription(NuGetFramework targetFramework, Project project)
        {
            // This never returns null
            var targetFrameworkInfo = project.GetTargetFramework(targetFramework);
            var targetFrameworkDependencies = new List<LibraryRange>(targetFrameworkInfo.Dependencies);

            if (targetFramework != null && targetFramework.IsDesktop())
            {
                targetFrameworkDependencies.Add(new LibraryRange("mscorlib", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                targetFrameworkDependencies.Add(new LibraryRange("System", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                if (targetFramework.Version >= new Version(3, 5))
                {
                    targetFrameworkDependencies.Add(new LibraryRange("System.Core", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));

                    if (targetFramework.Version >= new Version(4, 0))
                    {
                        targetFrameworkDependencies.Add(new LibraryRange("Microsoft.CSharp", LibraryType.ReferenceAssembly, LibraryDependencyType.Build));
                    }
                }
            }

            var dependencies = project.Dependencies.Concat(targetFrameworkDependencies).ToList();

            // Mark the library as unresolved if there were specified frameworks
            // and none of them resolved
            bool unresolved = targetFrameworkInfo.FrameworkName == null;

            return new ProjectDescription(
                new LibraryRange(project.Name, LibraryType.Unspecified),
                project,
                dependencies,
                targetFrameworkInfo,
                !unresolved);
        }

        private static IEnumerable<AssemblyBinding> AddBindingRedirects(
            Project project, 
            IFileSystemProvider fileSystemProvider, 
            AppDomain domain, 
            IDictionary<string, HashSet<string>> projectAssembliesCache, 
            IVsFrameworkMultiTargeting frameworkMultiTargeting,
            bool checkProjectType = true)
        {
            var redirects = Enumerable.Empty<AssemblyBinding>();
            // Only add binding redirects to projects that aren't class libraries
            if (!checkProjectType || project.SupportsConfig())
            {
                // Create a project system
                IFileSystem fileSystem = VsProjectSystemFactory.CreateProjectSystem(project, fileSystemProvider);

                // Run this on the UI thread since it enumerates all references
                IEnumerable<string> assemblies = ThreadHelper.Generic.Invoke(() => project.GetAssemblyClosure(fileSystemProvider, projectAssembliesCache));

                redirects = BindingRedirectResolver.GetBindingRedirects(assemblies, domain);

                if (frameworkMultiTargeting != null)
                {
                    // filter out assemblies that already exist in the target framework (CodePlex issue #3072)
                    string targetFramework = project.GetTargetFramework();
                    redirects = redirects.Where(p => !IsAssemblyAvaialbleInFramework(p.Name, targetFramework, frameworkMultiTargeting));
                }

                // Create a binding redirect manager over the configuration
                var manager = new BindingRedirectManager(fileSystem, project.GetConfigurationFile());

                // Add the redirects
                manager.AddBindingRedirects(redirects);
            }

            return redirects;
        }

 protected static string GetTargetFramework(Project project)
 {
     if (project == null)
     {
         return null;
     }
     return project.GetTargetFramework();
 }