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How can hide Vert Scrollbar of CHtmlView?

Posted on 2006-11-06
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Last Modified: 2013-11-20
Hi all,

I have a problem that HtmlView control show a webpage, not need ScrollBar, but that Scrollbar is still there and is disabled.

I used ShowScrollBar(SB_VERT, FALSE);

but it is still displayed.
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Question by:CongUan
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11 Comments
 
LVL 22

Expert Comment

by:mahesh1402
ID: 17887005
CHtmlView having multiple windows/container embeded inside it...

Just put following code to hide scrollbar of CHtmlView

   IHTMLDocument2 *lpHtmlDocument = NULL;
   LPDISPATCH lpDispatch = NULL;
   lpDispatch = GetHtmlDocument();
   ASSERT(lpDispatch);

   lpDispatch->QueryInterface(IID_IHTMLDocument2, (void**)&lpHtmlDocument);
   ASSERT(lpHtmlDocument);

   lpDispatch->Release();

   CComQIPtr<IHTMLDocument2>piDoc(lpHtmlDocument);  //pointer html document
   CComPtr<IHTMLElement>piElem;    //pointer to element
   CComPtr<IHTMLBodyElement>piBody;  //pointer to bodyelement

   piDoc->get_body(&piElem);  
   piElem->QueryInterface(&piBody);
   piBody->put_scroll(CComBSTR(_T("no")));   //Hide


-MAHESH
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Author Comment

by:CongUan
ID: 17887492
I still see a Vert scrollbar when it display a webpage successfully.
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LVL 22

Expert Comment

by:mahesh1402
ID: 17887517
have you tried above code ? or can you post some code that you have tried ??
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Author Comment

by:CongUan
ID: 17887555
i tried above code.
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LVL 22

Expert Comment

by:mahesh1402
ID: 17887597
where you have include following code in CHtmlView derived class function ??
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Author Comment

by:CongUan
ID: 17888144
I included above code in OnDocumentComplete of ChtmlView derived class.
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LVL 22

Expert Comment

by:mahesh1402
ID: 17888170
At my end on CHtmlView derived class its successfully hiding scrollbars in OnDocumentComplete event.
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LVL 22

Expert Comment

by:mahesh1402
ID: 17895661
I performed following test to ensure its working :

I downloaded following sample with src which use CHtmlView : http://www.codeproject.com/miscctrl/chtmlview_search.asp. In CHtmlView_SearchView.CPP
Edit any function CCHtmlView_SearchView::FindText() and copy paste above code at end of function. In search box typed something and pressed enter and Vert scrollbar vanished.

-MAHESH
0
 

Author Comment

by:CongUan
ID: 17904996
still not work. i put above code into a function and call it anytime.
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LVL 22

Expert Comment

by:mahesh1402
ID: 17905111
CongUan ,
 It will be better if you post code about how you put above code in function and called if from where.. to resolve this..

-MAHESH
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LVL 22

Accepted Solution

by:
mahesh1402 earned 1000 total points
ID: 17905129
I tried to put in above code at last just after lpTxtRange->Release(); and it seems to work... have you tried with that ?

void CCHtmlView_SearchView::FindText(CString searchText, long lFlags /* =2 */, BOOL bNNF /* =FALSE  (for internal use)*/)
{
::CoInitialize(NULL);
   
    .......
    .......

     lpTxtRange->Release();
            
        MessageBox("Hiding Vertical Scrollbar.......");
     
        CComQIPtr<IHTMLDocument2>piDoc(lpHtmlDocument);
        CComPtr<IHTMLElement>piElem;
        CComPtr<IHTMLBodyElement>piBody;
        piDoc->get_body(&piElem);
        piElem->QueryInterface(&piBody);
        piBody->put_scroll(CComBSTR(_T("no")));  

-MAHESH
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