VB定义 TextBox控件显示为密码形式，如运行截图所示，以密码框方式显示用户名，把密码显示为“*”，用户名也可以定义成密码形式，显示为“#”，至于是什么符号，在代码里可以自定义。-VB is defined as the password TextBox control to display the form, as shown in the screenshot run to the password box display the user name, the password is displayed as "*", the user name password can also be defined as the form is displayed as "#", as to what the symbol , in the code can be customized.