Beforenavigate2: Fired before navigate occurs in the given WebBrowser(window or frameset element). The processing of this
navigation may be modified. (这个事件发生一个给定的浏览器即将导航到一个URL前，这个导航的过程可能会被修改.)
ClientToHostWindow: Fired to request client sizes be converted to host window sizes
(当控件用宿主窗体的客户区尺寸来改变自己的客户区时，会触发这个事件)
CommandStateChange: The endabled state of a command changed (一个可能的命令状态改变时)
DocumentComplete: Fired when the document being navigated to reaches ReadyState_Complete.
(当一个文档已经导航到了一个URL时会触发这个事件)
DownLoadBegin: Download of a page started. ( 开始下载一个网页)
DownLoadComplete: Download of page complete.( 结束下载一个网页)
FileDownload: Fired to indicate the File Download dialog is opening.
(当【文件下载对话框】正在打开时会发送这个消息。)
NavigateComplete2: Fired when the document being navigated to becomes visible and enters the navigation stack.
(当文档已经导航到了，并且放到了历史记录堆栈时面时，会发生这个消息。)
NavigateError: Fired when a binding error occurs(window or frameset element).
(当导航发生错误时，会触发这个事件)
NewWindow2: A new, hidden, non-navigated WebBrowser window is needed.
(一个新的，隐藏，没有导航过的WebBrowser窗体被需要)
NewWindow3: A new, hidden, non-navigated WebBrowser window is needed.
(一个新的，隐藏，没有导航过的WebBrowser窗体被需要)
OnFullScreen: Fired when fullscreen mode should be on/off ( 指示全屏模式是否被选用)
OnMenuBar: Fired when the menubar should be shown/hide.( 指示菜单栏是否隐藏)
OnQuit: Fired when application is quiting.( 当应用程序退出时，触发这个事件)
OnStatusBar: Fired when the statusbar should be shown/hide.( 指示状态栏是否隐藏)
OnTheaterMode: Fired when theater mode should be on/off. ( 指示剧场模式是否选用)
OnToolBar: Fired when toolbar should be shown/hide. ( 指示工具栏是否隐藏)
OnVisible: Fired when the window should be shown/hide. ( 指示窗体是否隐藏 )
PrintTemplateInstantiation: Fired when a print template is instantiated.( 指示一个打印模块被初始化好了)
PrintTemplateTeardown: Fired when a print template destroyed. (指示一个打印模块被销毁了)
PrivacyImpactedStateChange: Fired when the global privacy impacted state changes.
(指示一个全局私有的状态改变了)
ProgressChange: Fired when download progress is updated. ( 指示下载进度更新)
PropertyChange: Fired when the PutProperty method has been called. ( 当PutProperty方法被调用)
SetSecureLockIcon: Fired to indicate the security level of the current web page contents.
(指示当前网页内容的安全级别)
StatusTextChange: Status text changed. ( 当状态栏文字改变时，触发这个事件)
TitleChange: Document title changed. ( 文档标题改变时)
UpdatePageStatus: Fired when a page is spooled, When it is fired can be changed by a custom template.
(当一个网页假脱机，当一个用户模板改变)
WindowClosing: Fired when the WebBrowser is about to closed by script.
( 当WebBrowser即将被脚本关闭)
WindowSetHeight: Fired when the host window should change its height.
(当宿主窗体改变它的高度)
WindowSetLeft:
Fired when the host window should change its left coordinate. ( 当宿主窗体改变它的左坐标)
WindowSetResizable: Fired when the host window should allow/disallow resizing. ( 当宿主窗体改变它的尺寸)
WindowSetTop: Fired when the host window should change its Top coordinate.
(当宿主窗体改变它的顶坐标)
WindowSetWidth: Fired when the host window should change its width. ( 当宿主窗体改变它的宽度)