This is intentional: if an authenticating proxy is being used, IBM Support Assistant will intercept the HTTP 407 response and display a pop-up dialog box so you can enter your user ID and password.
这是有意这样设置的：如果使用了身份验证代理，IBM Support Assistant将拦截HTTP 407响应，并显示弹出对话框，以便输入用户ID和密码。
Some programs may support opening and saving files from FTP servers by typing an FTP address in the file open or file Save dialog box.
部分程序允许在“文件打开”或“文件保存”对话框中键入FTP地址，从而打开和保存FTP服务器上的文件。
Create a dialog box application support for serial control. MFC programming, can be run directly in the VC environment!
说明：建立支持串口控件的对话框应用程序。MFC编程，可在VC环境下直接运行！
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