如何在WPF Web浏览器中阻止如下所示的安全警报？
消息提示：
Do you want to view only the webpage content that was delivered securely This webpage contains content that will not be delivered using a secure HTTPS connection, which could compromise the security of the entire webpage.”“This page contains both secure and nonsecure items. Do you want to display the nonsecure items?”
谢谢。