private void addButton_Click(object sender, EventArgs e) { Project createProject = new Project(); bool duplicate = FakeProjectRepository.isDuplicateName(newProjectName); createProject.Name = newProjectName; if (projectNameText.Text.Trim() == string.Empty) { MessageBox.Show(FakeProjectRepository.EMPTY_PROJECTNAME_ERROR); return; } if (duplicate == false) { string newProject = FakeProjectRepository.Add(createProject, FakeProjectRepository.Projects.Count() + 1); MessageBox.Show("Project Added Successfully."); } else { MessageBox.Show(FakeProjectRepository.DUPLPICATEPROJECTNAME_ERROR); } // add way to add new project to show project form this.Close(); }