Solved

I have a CComPtr<IWebBrowser2> m_pWB2, how can I enumerate all the document elements?

Posted on 2009-07-02
2
556 Views
Last Modified: 2013-12-04
In my DOWNLOADCOMPLETE event I want to enumerate all ATML tags, and, say, see their InnerHTML content.

How do I get this done starting with my IWebBrowser2 * ?
0
Comment
Question by:yossikally
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
2 Comments
 
LVL 19

Expert Comment

by:LordOfPorts
ID: 24767025
The thread at http://www.experts-exchange.com/Programming/Languages/CPP/Q_20194736.html provides a sample that might be exactly what you are looking for.

Looking at the description of the DownloadComplete http://msdn.microsoft.com/en-us/library/aa768331%28VS.85%29.aspx event it states that it fires when a navigation operation finishes, is halted, or fails which might give you trouble when you try to traverse the document especially if the latter two cases occur. Perhaps NavigateComplete or NavigateComplete2 might be better events.
0
 
LVL 19

Accepted Solution

by:
LordOfPorts earned 500 total points
ID: 24768614
...here is also an example based on the code referenced in the first post:
void YourCHtmlViewDerivedClass::OnNavigateComplete2(LPCTSTR strURL)
{
	CComPtr<IDispatch> spDisp = CHtmlView::GetHtmlDocument();
	IHTMLDocument2 * pHTML = NULL;
	IHTMLElementCollection * pElement = NULL;
	VARIANT vtName, vtIndex;
	BSTR bstrVal;
	CString sInnerHTML;
 
	spDisp->QueryInterface(IID_IHTMLDocument2, (LPVOID *) &pHTML);
	
	pHTML->get_all(&pElement);
 
	LONG nItems = 0;
        pElement->get_length(&nItems);
 
	for(int i = 0; i < nItems; i++) {
		vtName.vt = VT_I4;
		vtName.lVal = i;
		vtIndex.lVal = 1;
		vtIndex.vt = VT_I4;
 
		CComPtr<IDispatch> spDispTemp;
		pElement->item(vtName, vtIndex, &spDispTemp);
 
		IHTMLElement * pItem = NULL;
 
		spDispTemp->QueryInterface(IID_IHTMLElement, (LPVOID*)&pItem);
 
		if(pItem == NULL) {
			AfxMessageBox(_T("pItem is NULL"));
			return;
		}
 
		pItem->get_innerHTML(&bstrVal);
 
		sInnerHTML = bstrVal;
 
		AfxMessageBox(sInnerHTML);
	}
}

Open in new window

0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction: Ownerdraw of the grid button.  A singleton class implentation and usage. Continuing from the fifth article about sudoku.   Open the project in visual studio. Go to the class view – CGridButton should be visible as a class.  R…
Introduction: Hints for the grid button.  Nested classes, templated collections.  Squash that darned bug! Continuing from the sixth article about sudoku.   Open the project in visual studio. First we will finish with the SUD_SETVALUE messa…
This video will show you how to get GIT to work in Eclipse.   It will walk you through how to install the EGit plugin in eclipse and how to checkout an existing repository.
This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel. Part 1 of this series discussed basic error handling code using VBA. http://www.experts-exchange.com/videos/1478/Excel-Error-Handlin…

707 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question