VB以TextBox密码方式显示用户名，将用来输入用户名的文本框变为密码框了，用“#”号代替了输入的字符，密码框一般是用“*”来代替，“#”符号可以设置成“*”，-VB TextBox password to display the user name, the user name will be used to enter the password box into a text box, use the " #"　sign instead of the input characters, the password box is generally used " *"　instead of " #"　symbol can be set to " *" ,