WebBrowser控件处理PreviewKeyDown事件的bug
在WebBrowser控件中按下一个键的时候,PreviewKeyDown事件本来应该是只触发一次,但实际情况是引发了两次PreviewKeyDown事件,
ms的网站上有人报告了这个bug,详见:http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=220587
目前只能用代码来解决,在类中定义一个bool型的变量来记录是第一次引发还是第二次引发。代码如下:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)