Microsoft.VsSDK.IntegrationTestLibrary.TestUtils.ProjectCount C# (CSharp) Method

        public int ProjectCount()
        {
            // Get solution service
            IVsSolution solutionService = (IVsSolution)VsIdeTestHostContext.ServiceProvider.GetService(typeof(IVsSolution));
            object projectCount;
            solutionService.GetProperty((int)__VSPROPID.VSPROPID_ProjectCount, out projectCount);
            return (int)projectCount;
        }

        public void VBWinformsApplication() {
            UIThreadInvoker.Invoke((ThreadInvoker) delegate() {
                //Solution and project creation parameters
                var solutionName = "VBWinApp";
                var projectName = "VBWinApp";

                //Template parameters
                var language = "VisualBasic";
                var projectTemplateName = "WindowsApplication.Zip";
                var itemTemplateName = "CodeFile.zip";
                var newFileName = "Test.vb";

                var dte = (DTE) VsIdeTestHostContext.ServiceProvider.GetService(typeof (DTE));

                var testUtils = new TestUtils();

                testUtils.CreateEmptySolution(TestContext.TestDir, solutionName);
                Assert.AreEqual<int>(0, testUtils.ProjectCount());

                //Add new  Windows application project to existing solution
                testUtils.CreateProjectFromTemplate(projectName, projectTemplateName, language, false);

                //Verify that the new project has been added to the solution
                Assert.AreEqual<int>(1, testUtils.ProjectCount());

                //Get the project
                var project = dte.Solution.Item(1);
                Assert.IsNotNull(project);
                Assert.IsTrue(string.Compare(project.Name, projectName, StringComparison.InvariantCultureIgnoreCase) == 0);

                //Verify Adding new code file to project
                var newCodeFileItem = testUtils.AddNewItemFromVsTemplate(project.ProjectItems, itemTemplateName, language, newFileName);
                Assert.IsNotNull(newCodeFileItem, "Could not create new project item");
            });
        }