Visual Studio2017制作，TO-DO-LIST程序，包含源代码，可以添加任务的标题、描述、分类以及Deadline，添加后可进行修改，完成后打勾可以删除。(done with visual studio 2017 and it can add some tasks you want to do and modify them if you want, and at the end you can delete the task that you have finished.)