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11 votes for this article.

Popularity: 3.96 Rating: 3.80 out of 5

Introduction

This article shows how to use CSS, JavaScript and images in resource with CDHtmlDialog in VC++ .NET. I build this project with VC++ 7.1(VS .NET 2003), and it should also work with VC++ 7.0(VS .NET 2002).

Background

CDHtmlDialog is a new class, in MFC 7.x, that enables dialog to use HTML files as resource.

Steps

For example, if there are lines below in the raw HTML file,

<SCRIPT src="layout.js" type=text/javascript></SCRIPT>
<link type="text/css" rel="stylesheet" href="classic.css" />
<img src="showit.gif">

To use CSS files, JavaScript files and images in resource, you must convert all links in HTML file to be the resource numbers.

Step 1 - Add the 3 files: layout.js, classic.css and showit.gif to the resource of your VC++ 7.x project in a custom resource type named "CUS", for example.
Step 2 - Record the 3 resource IDs for the 3 files: IDR_CUS1, IDR_CUS2, IDR_CUS3.

Step 3 - Find the 3 resource numbers for the 3 IDs in resource.h

#define IDR_CUS1                        131
#define IDR_CUS2                        132
#define IDR_CUS3                        133

Step 4 - Modify the lines in HTML file to be:

<SCRIPT src="res:/CUS/#131" type=text/javascript></SCRIPT>
<link type="text/css" rel="stylesheet" href="res:/CUS/#132" />
<img src="res:/CUS/#133">

Then your HTML dialog can make use of those three files in the resource of the executable file.

:-) Good luck.

And this is my first article on CodeProject.com.

Welcome to my page iTreeSoft.

History

29 Dec 2003
- Initial release. :)

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

About the Author

iTreeSoft

Member

Occupation:	Web Developer
Location:	China

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FAQ
Noise Tolerance Layout Per page

Msgs 1 to 12 of 12 (Total in Forum: 12) (Refresh)

FirstPrevNext

Calling javascript function

Nico Cuppen

2:03 7 Mar '09

Re: Calling javascript function

TURK

9:37 7 Jun '09

BOOL CDHtmlDialog::CallJScript(IDispatch* pDisp, const CString strFunc, const CStringArray& paramArray, CComVariant *vaReturn)
{

	ATLASSERT(pDisp != NULL);
	CComPtr<IDispatch> spScript = pDisp;

	CComBSTR bstrMember(strFunc);
	DISPID dispid = NULL;
	HRESULT hr = spScript->GetIDsOfNames(IID_NULL,&bstrMember,1,
		LOCALE_SYSTEM_DEFAULT,&dispid);
	if(FAILED(hr))
	{
		//ShowError(GetSystemErrorMessage(hr));
		return false;
	}

	const int arraySize = paramArray.GetSize();

	DISPPARAMS dispparams;
	memset(&dispparams, 0, sizeof dispparams);
	dispparams.cArgs = arraySize;
	dispparams.rgvarg = new VARIANT[dispparams.cArgs];

	for( int i = 0; i < arraySize; i++)
	{
		CComBSTR bstr = paramArray.GetAt(arraySize - 1 - i); // back reading
		bstr.CopyTo(&dispparams.rgvarg[i].bstrVal);
		dispparams.rgvarg[i].vt = VT_BSTR;
	}
	dispparams.cNamedArgs = 0;

	EXCEPINFO excepInfo;
	memset(&excepInfo, 0, sizeof excepInfo);
	CComVariant vaResult;
	UINT nArgErr = (UINT)-1;  // initialize to invalid arg

	hr = spScript->Invoke(dispid,IID_NULL,0,
		DISPATCH_METHOD,&dispparams,&vaResult,&excepInfo,&nArgErr);

	delete [] dispparams.rgvarg;
	if(FAILED(hr))
	{
		//ShowError(GetSystemErrorMessage(hr));
		return false;
	}

	if(vaReturn)
	{
		*vaReturn = vaResult;
		

		if (vaResult.vt == VT_BSTR )
			sResult->SetSysString(&vaResult.bstrVal);
			*sResult = vaResult.bstrVal;
		else
			sResult->Empty();
			
	}
	return true;
}

How to use CallJScript


HRESULT CAppSettingDlg::OnButtonOK(IHTMLElement* /*pElement*/)
{
	CComPtr<IHTMLDocument> pDocument;
	IDispatch *dispScript;
	IDispatch *dispDocument;
	CComVariant vaResult;
	CStringArray strarrParam;

	m_pBrowserApp->get_Document(&dispDocument);

	dispDocument->QueryInterface(IID_IHTMLDocument, (void**)&pDocument);

	pDocument->get_Script(&dispScript);

	CallJScript(dispScript, _T("submitform"), strarrParam, &vaResult);
	
	if ((&vaResult) && (vaResult.vt == VT_BOOL) && (vaResult.boolVal == -1))
	{
		
		UpdateData(TRUE);

		m_Settings.setWSServer	(m_strServer);
		m_Settings.setWSUsername(m_strUsername);
		m_Settings.setWSPassword(m_strPassword);
		m_Settings.setWSDomain	(m_strDomain);
		m_Settings.setWSPort	(m_strPort);

		m_Settings.Save();
		
		OnOK();
		return S_OK;
	}

	return S_OK;
}