How to get the cursor is located Html element with Visual Studio Add-in

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C#

I want the plug can be like Visual Studio editor, get current cursor position Html Element Information. As shown below picture:
<img src="http://img.bbs.csdn.net/upload/201308/04/1375608620_601689.png"/>

Following is my Code Snippet.

var td = _applicationObject.ActiveDocument.Object("TextDocument") as TextDocument;
var objHTMLWin = _applicationObject.ActiveDocument.ActiveWindow.Object as HTMLWindow;
var objEP = td.Selection.ActivePoint.CreateEditPoint();
var objWindow = _applicationObject.ActiveDocument.ActiveWindow;