MFC在基本型对话框工程中为程序添加启动窗体,简单实用,通过载入位图实现，缺点是登陆窗体并未隐藏而是被启动窗体遮盖了-MFC dialog box in the basic procedures for adding the project to start the form, simple and practical implementation by loading a bitmap, the disadvantage is hidden login form but are not cov