System.Net.WebClient ãªã©ã§ã‚ªãƒ¬ã‚ªãƒ¬è¨¼æ˜Žæ›¸ã‚µã‚¤ãƒˆã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ä½•ã‚‰ã‹ã®ç†ç”±ã§ã‚µãƒ¼ãƒè¨¼æ˜Žæ›¸ãŒä¿¡é ¼ã§ããªã„サイト(自己ã„ã‚ゆるオレオレ証明書)ã«SSLã§ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ã€ãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã—ãŸã„ã¨ã„ã†ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ãã‚“ãªã¨ãã¯ã¾ãšã€ ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(OnRemoteCertificateValidationCallback); ã¨ã„ã†æ„Ÿã˜ã§ã€System.Net.ServicePointManager クラス㮠ServerCertificateValidationCallback ã¨ã„ã†ãƒ—ãƒãƒ‘ティã«ã‚µãƒ¼ãƒè¨¼æ˜Žæ›¸æ¤œè¨¼ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã‚’登録ã—ã¾ã™ã€‚ã§ã€ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ã®ä¸èº«ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¾ã™ã€‚ private bool OnRemoteCertificateValidationCallback
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