C / C++ / MFC Discussion Boards

Re: CFile::Read() : Giving zero bytes read

David Crow28-Sep-04 4:11

David Crow

28-Sep-04 4:11

In the calls to printf(), what happens if you change %d to %lu?

"When I was born I was so surprised that I didn't talk for a year and a half." - Gracie Allen

Can't prevent new window opening!

henryfonda27-Sep-04 23:26

henryfonda

27-Sep-04 23:26

Hi there,
can anyone tell me how to stop a link opening in a new window and just use the existing window??
For example: I've got a little explorer app(MFC) with 2 windows. The left side displays the C:/drive
and the right side displays a FTP address. The left window navigates fine, but the right side insists on opening
a new explorer window when I click on a link, instead of changing inside its own window. When the ne window opens... that navigates fine... just the way I want the right side widow to.

Its probably something stupid, knowing me... definately something stupid Smile | :)

But I've tried a bunch of stuff for the last
24 hours now and nothing stops it opening in a new window!
Help!

Henry F

Re: Can't prevent new window opening!

agentnem28-Sep-04 10:00

agentnem

28-Sep-04 10:00

If I understand you correctly, the right pane is actually an HtmlView displaying a web page. In any case, to redirect a link to a specific window you have to use the "target" property. For example:

// somewhere in an HTML file
<a href="http://www.website.com" target="_self">Click here</a>

"target" accepts any of the following:
_blank, which opens the link in a new window
_self, which opens the link in the current window
_parent, which opens the link in the parent window
_top, which opens the link in the top most window

Hope this helps.

Re: Can't prevent new window opening!

henryfonda28-Sep-04 14:25

henryfonda

28-Sep-04 14:25

Thanks for the reply man, but(as usual) its not the HTML I need to change.
Basically its an Explorer Window displaying content on a server via FTP:

Naviagte2(_T(ftp://whatever.com),NULL,NULL)

It displays fine but when I want to open a folder - it launches a new explorer window outside the application and displays the info in that window.

Is there some way of controlling this so that all clicked links open inside the application only?
thanks Smile | :)

Re: Can't prevent new window opening!

Scott H. Settlemier28-Sep-04 14:55

Scott H. Settlemier

28-Sep-04 14:55

handle OnBeforeNavigate2, cancel the navigation if it's to another window, and navigate to the url just cancelled... something like that.

Re: Can't prevent new window opening!

henryfonda28-Sep-04 21:04

henryfonda

28-Sep-04 21:04

Clever idea!
Any chance you could scribble the code down? I'll buy u a cup of tea Smile | :)

Howto change the font of a CStatic text

anderslundsgard27-Sep-04 22:26

anderslundsgard

27-Sep-04 22:26

I have an important CStatic text-lable in my CDialog class.
How may I change the font and color of the text in a simple way?

_____________________________

...and justice for all

APe

Re: Howto change the font of a CStatic text

Manfred Staiger27-Sep-04 23:43

Manfred Staiger

27-Sep-04 23:43

You need to subclass your static control. Then overwrite the OnPaint() member with the following example:

void CMyStaticCtrl::OnPaint() <br />
{<br />
	CPaintDC dc(this); // device context for painting<br />
	<br />
CFont newFont;<br />
LOGFONT lf;<br />
<br />
//Create large Font<br />
memset(&lf, 0, sizeof(LOGFONT));<br />
lf.lfHeight = 20;<br />
lf.lfWeight=FW_BOLD;<br />
strcpy(lf.lfFaceName, "ARIAL");<br />
newFont.CreateFontIndirect(&lf);<br />
<br />
dc.SetBkMode(TRANSPARENT);<br />
dc.SetTextColor(RGB(255, 0, 0));	<br />
dc.SelectObject(&newFont);	<br />
dc.TextOut(0, 0, "Text in Arial, bold, red");<br />
}

Hope this helps

MS

Re: Howto change the font of a CStatic text

anderslundsgard27-Sep-04 23:52

anderslundsgard

27-Sep-04 23:52

Thanks!

A little irritating that you need to subclass to just change the color.

Again - Thanks!!

_____________________________

...and justice for all

APe

Re: Howto change the font of a CStatic text

Manfred Staiger28-Sep-04 0:14

Manfred Staiger

28-Sep-04 0:14

That's right, but the "normal" way didn't work for me. It changed the font, but not the color and the background appeared white even though i set it to transparent.

MS

How can I get the lpClassName?

Guoguor27-Sep-04 21:36

Guoguor

27-Sep-04 21:36

I Want to create a popup window at my dialog based program,could you tell me how?
Could I register a new window class for it?
If no necessary,how can I get the lpClassName which is used at the follow function ?

HWND CreateWindowEx(
DWORD dwExStyle,
LPCTSTR lpClassName,
LPCTSTR lpWindowName,
DWORD dwStyle,
int x,
int y,
int nWidth,
int nHeight,
HWND hWndParent,
HMENU hMenu,
HINSTANCE hInstance,
LPVOID lpParam
);

Thanks!

free like a bird

Re: How can I get the lpClassName?

22491728-Sep-04 0:34

224917

28-Sep-04 0:34

CString sClassName = AfxRegisterWndClass (CS_HREDRAW|CS_VREDRAW);

now use sClassName

There is no spoon.

mail

Re: How can I get the lpClassName?

cmk28-Sep-04 9:39

cmk

28-Sep-04 9:39

lpClassName is either an existing class name

e.g.
Button, Edit, SysTreeView32, ...

or a class that you registered via RegisterClassEx().

...cmk

Save the whales - collect the whole set

About painting on screen?

Zero_One_ADO27-Sep-04 20:59

Zero_One_ADO

27-Sep-04 20:59

Hello everybody,
I want to paint something outside my app.
like a multimedia keyboard:
when I increase or decrease the volume something
appears on screen.

best wishes.
thanks

Re: About painting on screen?

Aamir Butt28-Sep-04 1:37

Aamir Butt

28-Sep-04 1:37

Use GetDesktopWindow() API to get Handle to Desktop Window, Then create a DC with this handle and enjoy Smile | :)

Imagine that you are creating a fabric of human destiny with the object of making men happy in the end, giving them peace and rest at last, but that it was essential and inevitable to torture to death only one tiny creature..and to found that edifice on its unavenged tears, would you consent to be the architect on those conditions? Tell me, and tell me the truth!

-Fyodor Dostoevsky, The Brothers Karamazov

IE Hooking

TPN27-Sep-04 20:57

TPN

27-Sep-04 20:57

Dear friends,

I try to develop a program which can hook into IE (toolbar buttons and/or menu items in IE window) to get all text in all text fields in a HTML page being displayed by IE. This will perform when user click on the toolbar button or menu item.

I don't know how to start and from where to begin. Could you please help me on this and thanks in advanced.

Re: IE Hooking

22491727-Sep-04 21:12

224917

27-Sep-04 21:12

You will have to write a BHO(Browser Helper Object).
You can start from here[^]msdn

Also look for BHO samples here in codeproject also.

There is no spoon.

mail

Re: IE Hooking

TPN28-Sep-04 17:44

TPN

28-Sep-04 17:44

Thank you suhredayan very much for your kind help. I'm searching in codeproject for the sample code.

I will go back to this topic if there are some confusion to me and need your help again.

Once again, thank you.

Re: IE Hooking

2249173-Oct-04 18:15

224917

3-Oct-04 18:15

you are welcome TPN.

There is no spoon.

mail

Make a call to my ActiveX from my .aspx webpage.

anderslundsgard27-Sep-04 20:54

anderslundsgard

27-Sep-04 20:54

Hi!

I’m creating an ActiveX control in my myapp.aspx-page using the <object> - tag.

<br />
<OBJECT id="objComp" style="Z-INDEX: 101; LEFT: 24px; WIDTH: 974px; POSITION: absolute; TOP: 40px; HEIGHT: 538px"<br />
</OBJECT><br />

At this time I’m only using the ActiveX technology to publish my MFC application on the net. I’m about to make a call to may webpage like this:

http://www.mypage.com/myapp.aspx?user=bill&password=12345

How may I pass the “user” and the “password” into my ActiveX?

Can I how do I access the properties of my ActiveX from my page?

The ActiveX is supposed to run on the client – not on the server.

_____________________________

...and justice for all

APe

Re: Make a call to my ActiveX from my .aspx webpage.

Muhammad Azam27-Sep-04 21:31

Muhammad Azam

27-Sep-04 21:31

hi ya its for sure that ActiveX runs on client side
you can access methods as well as properties exposed by your control from your page
e.g. if your control exposes a method like SetUseridPassword(BSTR usrID,BSR password) then you can access it as follows

<OBJECT
     ID="MyActiveXID"
     CLASSID="clsid:your-control-class-id-here"
     CODEBASE="TestAX.ocx"
     TYPE="application/x-oleobject"
>

then on any event (like button's onClick) call the following following function like onClick='InitValues'

don't forget to define this script in head section of your page.

<script language="JavaScript">

function InitValues()
{
MyActiveXID.SetUseridPassword("testusr","tstpassword")
}

</script>

Muhammad Azam

Re: Make a call to my ActiveX from my .aspx webpage.

anderslundsgard27-Sep-04 21:37

anderslundsgard

27-Sep-04 21:37

It really looks like you have the solution of my problem. I try to implement it with javascript.

THANKS!

_____________________________

...and justice for all

APe

Re: Make a call to my ActiveX from my .aspx webpage.

Muhammad Azam27-Sep-04 23:07

Muhammad Azam

27-Sep-04 23:07

hi its my pleasure if i could be of any help for you
regards
Azam

Stopping a thread

Sujan Christo27-Sep-04 20:23

Sujan Christo

27-Sep-04 20:23

Hi All,
I used SuspendThread and ExitInstance to stop a thread created using AfxBeginThread Function. But in some newsgroup messages it is stated that this is not the right method. I've used PostThreadMessage using WM_QUIT, but this is not working. So How to stop a thread created using AfxBeginThread function.
Thanx in Advance
Sujan

Re: Stopping a thread

22491727-Sep-04 20:31

224917

27-Sep-04 20:31

To use PostThreadMessage it should be a UI Thread with message loop. Wot kind of thread you created worker thread or UI thread ?

There is no spoon.

mail

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.