Question

LoadFromResource Function

Asked by: makctg

Hi
experts I am a new bie for MFC


I have added a html (toc.html)  file as resource.
For the file there is a entry in resourch.h file as
#define TOC                             131



I need to show the page writting so i.e I will get the name of the constant say-TOC from the user which I am capturing to a variable
as

char var2[] ="TOC";
LoadFromResource(var2);

it is not working.
What to do to solve the problem

Is there any alternative way to solve the problem.
All I need is to have a solution for my problem which is I need to show the page of which is added in the source upon getting the name of the page I have to show


best regards



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Asked On
2005-12-23 at 07:55:43ID21674316
Tags

loadfromresource

,

mfc

Topic

Windows MFC Programming

Participating Experts
1
Points
500
Comments
19

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Answers

 

by: makctgPosted on 2005-12-23 at 08:11:42ID: 15542929


Is there any thing in MFC
as in PHP-'s constant() tfunction o read a constant's value to obtain the constant's name dynamically

---------------------------
constant
(PHP 4 >= 4.0.4, PHP 5)

constant -- Returns the value of a constant

--------------------------------------



define("MAXSIZE", 100);

echo MAXSIZE;
echo constant("MAXSIZE");

 

by: mahesh1402Posted on 2005-12-23 at 08:22:39ID: 15543019

1st gothru this example....its used in this article..with src code..

http://www.codeguru.com/Cpp/I-N/ieprogram/article.php/c4377/

n also
http://msdn.microsoft.com/msdnmag/issues/03/08/CQA/

its given that..

How to Load and show HTML resources in the HtmlView:

void CYourHtmlView::OnInitialUpdate()
{
    LoadFromResource(_T("start.html"));    //that's all
}

But you have to give your browser a little help to find the content by adding the following code at the top of your HTML file:

<BASE url="res://PKB.exe/start.html">

This tells the browser that the current "directory" is res://PKB.exe.

also refer this article..abt how to include HTML resource...

http://msdn.microsoft.com/library/default.asp?url=/workshop/browser/mshtml/overview/htmlres.asp

try to LoadFromResource by specifying resource id...

syntax is..
LoadFromResource( UINT nRes)

post some detailed code if you still facing errors...

 
MAHESH

 

by: mahesh1402Posted on 2005-12-23 at 08:28:48ID: 15543072

 

by: makctgPosted on 2005-12-23 at 09:53:59ID: 15543623



I have added a html file index.html
from Insert-Resource-Import wizard
and tried to open
as
      LoadFromResource (_T("index.html"));



I have also added
<BASE url="res://myApp.exe/index.html"> at the top of my html file


but I got some error msg

pls help

 

by: makctgPosted on 2005-12-23 at 10:56:10ID: 15543940

also tried with this

<BASE url="res://myApp.exe/"> at the top of my html file

 

by: makctgPosted on 2005-12-23 at 21:14:46ID: 15545957



<BASE url="res://myApp.exe/"> at the top of my html file
this time no error shown but
LoadFromResource (_T("index.html"));  not showing insead page not found page is shown

on the other hand
LoadFromResource (_T(INDEX)); is showing the page



pls help

 

by: mahesh1402Posted on 2005-12-23 at 21:21:05ID: 15545966

u r using CHtmlView right ?

post your error message..also post your some code if possible....

MAHESH

 

by: mahesh1402Posted on 2005-12-23 at 21:22:36ID: 15545970

>LoadFromResource (_T(INDEX)); is showing the page

INDEX is resource id of your HTML resource ??

MAHESH

 

by: mahesh1402Posted on 2005-12-23 at 21:23:59ID: 15545974

also LoadFromResource (_T("index.html")); <==
here  try to include full path of your HTML page instead of just "index.html"...

MAHESH

 

by: mahesh1402Posted on 2005-12-23 at 22:03:07ID: 15546024

Post some more code......

 

by: makctgPosted on 2005-12-23 at 22:17:07ID: 15546054


MAHESH: Thanks

Error Messgage
res:c://windows\system32\shdoclc.dll\dnserror.htm#res://e://vc\Ebook\ebug\ebook.exe/index.htm



u r using CHtmlView right ?
Yes I am
INDEX is resource id of your HTML resource ??
Yes

what will be the full path for "index.html"...

here is my code for

<html>


<head>
<BASE url="res://EBook.exe/">
<Title> The is a Test </Title></Head>

<Body>

<H1> This is a test </H1>
<a href="toc.html">GotN</a>
</Body>
</Html>

void CEBookView::OnBeforeNavigate2(LPCTSTR lpszURL, DWORD nFlags, LPCTSTR lpszTargetFrameName, CByteArray& baPostedData, LPCTSTR lpszHeaders, BOOL* pbCancel)
{
      // TODO: Add your specialized code here and/or call the base class

LoadFromResource();
      CHtmlView::OnBeforeNavigate2(lpszURL, nFlags,      lpszTargetFrameName, baPostedData, lpszHeaders, pbCancel);
}

Hope this guide you


Looking for your kind help


void CEBookView::OnInitialUpdate()
{
      CHtmlView::OnInitialUpdate();

      // TODO: This code navigates to a popular spot on the web.
      //  change the code to go where you'd like.
 

      
      
LoadFromResource (_T("index.htm"));  // Not working
//LoadFromResource (INDEX); // IT is working

}

 

by: makctgPosted on 2005-12-23 at 22:31:04ID: 15546070


void CEBookView::OnBeforeNavigate2(LPCTSTR lpszURL, DWORD nFlags, LPCTSTR lpszTargetFrameName, CByteArray& baPostedData, LPCTSTR lpszHeaders, BOOL* pbCancel)
{
     // TODO: Add your specialized code here and/or call the base class

LoadFromResource (_T("index.htm"));  // Not working
//LoadFromResource (INDEX); // IT is working
     CHtmlView::OnBeforeNavigate2(lpszURL, nFlags,     lpszTargetFrameName, baPostedData, lpszHeaders, pbCancel);
}

 

by: mahesh1402Posted on 2005-12-23 at 22:51:01ID: 15546101

Try giving the resource a string name instead of a numeric identifier.  this is done by openiing its 'Properties' box and wrapping its 'ID' in quotes.
So INTRO becomes "INTRO", and aaa becomes "aaa".



also u can try this full path method....
eg. if resource id is 131
res://C:\.....EXE/131    or

res://C:\.....EXE/index.htm

MAHESH

 

by: mahesh1402Posted on 2005-12-23 at 22:58:27ID: 15546103

also try this.....
eg.

1) Make all of your pages and support images HTML resources and give them string names something like this...

   INDEX.HTML  HTML    DISCARDABLE     "res\\index.html"

2) Load your CHtmlView like so...

    void CAppHtmlView::OnInitialUpdate()
    {
        CHtmlView::OnInitialUpdate();
        LoadFromResource(_T("INDEX.HTML"));
    }

MAHESH

 

by: makctgPosted on 2005-12-23 at 23:52:21ID: 15546182



I am successfull with adding a new htmk resource and giving it id as "IDTEST"
and loading
LoadFromResource(_T("IDTEST" ));

but failed with old one

Changes the ID of index.html to "INDEX" from INDEX

and trying to load the file
 LoadFromResource(_T("index.html" ));


I think I need to adust it at some other files also
 I am not sure where there are? what is your opinion?

 

 

by: mahesh1402Posted on 2005-12-24 at 00:01:41ID: 15546206

i think there is some problem with path for your old method..but assign string names to resources is best method which worked for you..

MAHESH

 

by: mahesh1402Posted on 2005-12-24 at 00:12:45ID: 15546224

btw have you tried path like this....

LoadFromResource(_T("res://index.html" ));

MAHESH

 

by: mahesh1402Posted on 2005-12-24 at 00:15:29ID: 15546230

and my suggestion is you refer this full article....

http://www.microsoft.com/msj/0100/c/c0100.aspx

MAHESH

 

by: mahesh1402Posted on 2005-12-24 at 00:33:09ID: 15546261

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