vc.net将应用程序窗口设置为居中显示，它有三种模式：1、相对于父窗口居中；2、相对于屏幕居中；3、相对于主窗口居中，请根据你自己的需要选择不同的居中模式，如截图示，点击对应的模式窗口就自动居中，并且把窗口缩小的话，程序会自动判断。-vc.net the application window is set to be centered, it has three modes: 1, relative to the parent window centered　2, relative to the screen center　3, centered relative to the main window, according to your own needs, please choose a different center mode, as shown in screenshot, click the corresponding mode window is automatically centered, and the window is narrow, the program will automatically determine.