Re: Toolbar - tool tips - C / C++ / MFC Discussion Boards

Jordan C. Atlas9-Jan-05 13:25

9-Jan-05 13:25

Hello,

I'd like to loop over a std::list and for a given element in the list, get a pointer to that element. My code looks something like this:

<br />
        Object* pointerToObject;<br />
	iteratorType listStart, listEnd, listIt;<br />
	list<Object> objectList = getObjectList();	<br />
	listStart = objectList.begin();<br />
	listEnd = objectList.end();<br />
	for(listIt = listStart; listIt != listEnd; listIt++)<br />
	{<br />
               pointerToObject = listIt;    //This code won't compile --> but it illustrates my intention...  I want to get a pointer to an object in the list...<br />
	}<br />
<br />

Any ideas?

Thanks!

-Jordan Atlas

Re: Pointer to an object in a std::list

PJ Arends9-Jan-05 13:35

PJ Arends

9-Jan-05 13:35

pointerToObject = &(*listIt);

I think that should work. What I usually do is have the list store the pointers instead of the objects themselves. The list makes a copy of everything it stores so storing pointers means it only has to copy 4 bytes for each object while storing the object themselves means the list copies the entire object.

list<* object> objectList;

"You're obviously a superstar." - Christian Graus about me - 12 Feb '03

"Obviously ??? You're definitely a superstar!!!" mYkel - 21 Jun '04

Within you lies the power for good - Use it!

Re: Pointer to an object in a std::list

Jordan C. Atlas9-Jan-05 17:26

Jordan C. Atlas

9-Jan-05 17:26

PJ Arends wrote:
pointerToObject = &(*listIt);

Hey PJ,

This code works! Thanks!

I usually store pointers in the lists as well, but for some reason I didn't in this case. I'll have to look at the code to see why I implemented it that way.

Merci,
-Jordan Atlas

Adding unicode character to char string ?

Samsung9-Jan-05 12:53

Samsung

9-Jan-05 12:53

I have hexadecimal value of unicode character. How to add it to standard char string?

Re: Adding unicode character to char string ?

Christian Graus9-Jan-05 13:37

Christian Graus

9-Jan-05 13:37

You can't, by definition. A unicode character is multibyte, a char string contains one byte per character.

Christian

I have several lifelong friends that are New Yorkers but I have always gravitated toward the weirdo's. - Richard Stringer

Re: Adding unicode character to char string ?

ThatsAlok9-Jan-05 17:25

ThatsAlok

9-Jan-05 17:25

first Convert Them to Standard Char using wctomb and then add the resulting charater to regular char String

"I Think this Will Help"
Alok Gupta
visit me at http://www.thisisalok.tk

Toolbar - tool tips

Tony Teveris9-Jan-05 12:26

Tony Teveris

9-Jan-05 12:26

The following code
BOOL CMainFrame::OnToolTipNotify( UINT id, NMHDR * pNMHDR, LRESULT * pResult )
{
TOOLTIPTEXT *pTTT = (TOOLTIPTEXT *)pNMHDR;
UINT nID = pNMHDR->idFrom;
if (pTTT->uFlags & TTF_IDISHWND)
{
// idFrom is actually the HWND of the tool
nID = ::GetDlgCtrlID((HWND)nID);
if(nID)
{
// pTTT->lpszText = MAKEINTRESOURCE(nID);
// pTTT->hinst = AfxGetResourceHandle();
// return(TRUE);
}
}
else
{
strcpy(pTTT->szText,"Ruby Red GSC-XXX\nRuby Red");
pTTT->lpszText = NULL;
pTTT->hinst = NULL;
return TRUE;
}
return(FALSE);
}

Gets executed when I have my cursor over one of my items in the toolbar but the tooltip does not get displayed at the toolbar button or on the status bar of the app. Why ?

I figured it out, I needed to add:

pTTT->lpszText = pTTT->szText;

then the tip displayed by the button but not the status bar of the app.

Tony Teveris
Gerber Scientific Products
Senior Software Engineer
Phone: 860 648 8151
Fax: 860 648 8214
83 Gerber Road West
South Windsor, CT 06074

Re: Toolbar - tool tips

Rahim Rattani9-Jan-05 17:03

Rahim Rattani

9-Jan-05 17:03

In your CMainFrame class there is a variable as

CStatusBar m_wndStatusBar;

Now to set the text on your status bar use

m_wndStatusBar.GetStatusBarCtrl().SetText("Your Text",0,0);

Rahim Rattani
Software Engineer,
Matrix Systems (Pvt) Ltd.,
Karachi - Pakistan

A simple client to server

Luzo9-Jan-05 9:44

Luzo

9-Jan-05 9:44

What i want to be able to do is send text from one client to its server. I need a client which is done by tcp. I've seen some of the chat rooms programs but as I'm all new to this its too over my head. I need a simple program. Please help us out Confused | :confused:

Re: A simple client to server

ytod9-Jan-05 16:09

ytod

9-Jan-05 16:09

Try to read some MSDN documents about Windows Sockets API or MFC class CSocket or CAsyncSocket. You should understand the the mechanism of TCP first. If you wanna use a simple way to realize your program, use MFC CSocket would be your choice. But Windows Sockets API would be better for developer. Good luck.

Is VC++ 5.0 code compatable with WinXP?

9-Jan-05 8:28

I am wondering if the MFC code generated by VC++ 5.0 will run correctly, for the most part, on WinXP.

How about serial port usage in XP. Are there any issues there?

Thanks
John

Re: Is VC++ 5.0 code compatable with WinXP?

Ryan Binns9-Jan-05 17:23

Ryan Binns

9-Jan-05 17:23

xero@cmc.net wrote:
I am wondering if the MFC code generated by VC++ 5.0 will run correctly, for the most part, on WinXP

Yep, no reason why not, if it's a correctly written program.

xero@cmc.net wrote:
How about serial port usage in XP. Are there any issues there?

No, unless the user running the program doesn't have sufficient privileges to open the serial port.

Ryan

"Punctuality is only a virtue for those who aren't smart enough to think of good excuses for being late" John Nichol "Point Of Impact"

changing language in UI dynamically

feroz209-Jan-05 6:41

feroz20

9-Jan-05 6:41

can some one help me by providing or submitting a tutorial that would explain "how to change the language in UI (User Interface) dynamically" by selecting suitable option from the menu using VC++ 6.0.i am a beginner to this so please explain it with a beginners approach(from the scratch).it will be very helpfulfor me.thank you

Re: changing language in UI dynamically

sps-itsec469-Jan-05 11:12

sps-itsec46

9-Jan-05 11:12

Hi feroz20!

There are surely other and perhaps better ways to do it but you can try the following:

At first get the CWnd* from every control using GetDlgItem(int nID). With these pointers you can call SetWindowText(LPCTSTR lpszString) to change the control's text.

For example:

GetDlgItem(IDC_BTN_MYBUTTON)->SetWindowText(_T("New button text"));

Regards, mYkel

Re: changing language in UI dynamically

Maximilien9-Jan-05 14:19

Maximilien

9-Jan-05 14:19

this won't work.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: changing language in UI dynamically

toxcct9-Jan-05 22:27

toxcct

9-Jan-05 22:27

this is not the language, this is the CAPTION... Dead | X|

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: changing language in UI dynamically

sps-itsec469-Jan-05 22:58

sps-itsec46

9-Jan-05 22:58

My language files are plain text files (.txt) so everybody can modify them easily, even without an IDE. At program startup I load the appropriate language file an set the caption of every window control. Same thing when the user changes the language - I just load the other language file and reset the window controls.

Works perfect for me... Wink | ;)

Regards, mYkel

Re: changing language in UI dynamically

Maximilien9-Jan-05 14:23

Maximilien

9-Jan-05 14:23

the best to do it, is to use multiple resource files, one for each language use.

each resource will be in a DLL and will be loaded when the application starts (, or after a user select a menu item )

have a look at :

http://support.microsoft.com/kb/198846/EN-US/[^]

or

http://www.codeproject.com/cpp/mult_lang_support.asp[^]

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: changing language in UI dynamically

toxcct9-Jan-05 22:32

toxcct

9-Jan-05 22:32

sorry but... the second link don't exist anymore. CP tells me that the "page requested cannot be found". do you know about the new URL of that article ??

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: changing language in UI dynamically

Maximilien10-Jan-05 0:10

Maximilien

10-Jan-05 0:10

remove the last "/" from the link.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: changing language in UI dynamically

toxcct10-Jan-05 0:16

toxcct

10-Jan-05 0:16

ok, it works fine now.

but from your side, you could modify your post ([Modify] button is there for that)...

anyway, good link Wink | ;)

see you...

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Drag&Drop problem: ListCtrl inside a Group Box

sps-itsec469-Jan-05 6:23

sps-itsec46

9-Jan-05 6:23

Implementing Drag&Drop from the explorer to a CListCtrl isn't very difficult. But I have a big problem with those da*n group boxes:

If my ListCtrl is surrounded by a group box the ListCtrl acts not as a drop target. The group box that has not the WS_EX_ACCEPTFILES flag seems to swallow the message. I can remember something about a flag for the group box to let all window messages through but right now I cannot find anything on the net.

Thanks a lot for your help!

Regards, mYkel

Re: Drag&Drop problem: ListCtrl inside a Group Box

PJ Arends9-Jan-05 9:12

PJ Arends

9-Jan-05 9:12

Change the z-order of the controls so that the listctrl is above the group box.

"You're obviously a superstar." - Christian Graus about me - 12 Feb '03

"Obviously ??? You're definitely a superstar!!!" mYkel - 21 Jun '04

Within you lies the power for good - Use it!

Re: Drag&Drop problem: ListCtrl inside a Group Box

sps-itsec469-Jan-05 11:15

sps-itsec46

9-Jan-05 11:15

Ahhh yes... the good old z-Order. I'm so tired!!! WTF | :WTF:

PJ you're still rocking! Cool | :cool:

Regards, mYkel

IsDebuggerPresent?

SurfingSteack9-Jan-05 3:04

SurfingSteack

9-Jan-05 3:04

Hi,

how can i use IsDebuggerPresent in my program?

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