对于你的问题，只需要在你的HTML首行添加如下代码即可隐藏安全提示条：
<!-- saved from url=(0014)about:internet -->
还有一个可选方案是使用Winform的WebBrowser控件，不需要更改HTML代码，也不会出现安全提示，需要WindowsFormsHost:
xmlns:wf="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms" Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded"> <Grid> <WindowsFormsHost> <wf:WebBrowser x:Name="webbrowser1"/> </WindowsFormsHost> </Grid>
可见: http://msdn.microsoft.com/en-us/library/ms751761(v=vs.110).aspx
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