Re: strangely modeles dialog box working even when i didnt destroy object - C / C++ / MFC Discussion Boards

tomek1827-Jul-05 1:22

27-Jul-05 1:22

My Code.

<br />
void CChildView::SortData( LPCTSTR pszData)<br />
<br />
TCHAR buffer[10];<br />
_tcsncpy( buffer, pszData, 10);<br />
<br />
//converts UniCodeString to ASCII<br />
char AsciiStr[10];<br />
WideCharToMultiByte (CP_ACP, 0, buffer, -1, AsciiStr, 10, NULL, NULL);<br />
<br />
//Saves to a file<br />
ofstream testFile("test.txt", ios::app);<br />
testFile << AsciiStr;<br />
testFile.close();<br />
<br />

Now sometimes it saves the data into test.txt file correctly, but then at other times it just saves little scares and vertical lines. wich I can't find in the ASCII table. It doesn't matter even if I code testFile << "testing"; still shows the unknown scquares and lines, one for each character.

Now I have tried a number of combinations, such as removing big chunks of code and restarting my pc, even chaning ofstream testFile (" test.txt", ios::out);

D'Oh! | :doh:

Re: File Saving Problem, ofstream.

Bob Stanneveld27-Jul-05 1:41

Bob Stanneveld

27-Jul-05 1:41

Hello,

I don't know what happens when you write ASCII strings, but I think that you have some character set problems. If you write your MBCS buffer, you write it to an ASCII stream!

Try a wofstream[^] for the non ASCII strings.

Hope this helps Smile | :)

Behind every great black man...
... is the police. - Conspiracy brother

Blog[^]

DialogBox in a DLL?

Larsson27-Jul-05 1:07

Larsson

27-Jul-05 1:07

I have a MFC DLL and I want to bring up a dialogbox, but how can I do that and not crash the DLL?

Re: DialogBox in a DLL?

Ray Kinsella27-Jul-05 2:24

Ray Kinsella

27-Jul-05 2:24

you need to switch over the use the dll's resource's

this article will show you how to do it.

YOu really should give more thought to seperating your GUI laryer from your logic ...

Regards

Ray

"Je Suis Mort De Rire"

Re: DialogBox in a DLL?

Larsson27-Jul-05 2:48

Larsson

27-Jul-05 2:48

Thanks!

strangely modeles dialog box working even when i didnt destroy object

sayup27-Jul-05 1:02

sayup

27-Jul-05 1:02

hello,
I ahve created a dialog based application.I have inserted 6 menu options voz dialog1,dialog2,dialog3,....dialog6 in the dialog .On clicking of these menu opions i am popping 6 different modeless dialog.here is the code written for it
midialog *d;//class for dialog resource
d=new midialog;
d->Create(IDD_DIALOG1);
d->ShowWindow(SW_SHOW);
To close it i either click on OK or Cancel or Red cross button and then i close the parent window.It strangely doesn't give an error.I was thinking that for modeless dialog you need to override OnCancel,OnClose functions and call DestroyWindow() in them.Also PostNcDestroy function is necessary.but i ahvent done anything?why then is code running?
Secondly should the second statement in above code be d=new midialog(this);
plz reply
i am in fix

thanks

Re: strangely modeles dialog box working even when i didnt destroy object

Rage27-Jul-05 1:35

Rage

27-Jul-05 1:35

sayup wrote:
I was thinking that for modeless dialog you need to override OnCancel,OnClose functions and call DestroyWindow() in them.

Only if you are not destroying d by yourself in the calling code. If in the function where you call the dialog the way you mentioned, you also have

delete d;

somewhere, everything is fine.

Otherwise, you have a memory leak, the d pointer is never deleted. To do so, override PostNcDestroy like this

void CShowDlg::PostNcDestroy() 
{
	delete this;
	CResizableDialog::PostNcDestroy();
}

That's all.

sayup wrote:
Secondly should the second statement in above code be d=new midialog(this);

Nope, not necessarily.

~RaGE();

Re: strangely modeles dialog box working even when i didnt destroy object

sayup27-Jul-05 2:27

sayup

27-Jul-05 2:27

hello,
no i havent done anything such as delete d in my program.whatever code for modeless dialog i have written i have told you.I havent also overiden PostNcDestroy().So as per your suggestion i should overide the virtual function PostNcDestroy()in the class of respective dialog resource.
and code would be
midialog::PostNcDestroy()
{
delete this;
CDialog::PostNcDestroy()/*coz mu dialog class midialog is derived from CDialog and not from CResizableDailog as in your code snippet*/
}

is this ok?
one more doubt,is there no need to overide OnClose(0 with DestroyWindow()?are you sure?and we are writing delete this so isn't d=new midialog(this);necessary?

sorry askig same questions but since i am a begineer i feel the need to get things clear.
thanks
plz reply

sayali

Re: strangely modeles dialog box working even when i didnt destroy object

sayup27-Jul-05 18:56

sayup

27-Jul-05 18:56

please reply...
i also wanted to know that while allocating memory to ptr for modeless dialog is it necessary to initialize the ptr to first NULL?

SSL security for website

Sushant Patil27-Jul-05 0:55

Sushant Patil

27-Jul-05 0:55

I am developing a web server with SSL security in it in VCS 2005.
I am using SSLStream class to handle the data transfer between the web server and
the browser.
After connection is established I am calling a SSLStream's Authinticateserver method but after that i don't any reply from the browser.
For simple client application we have authinticateclient method so it works fine.
But how can i do it for a browser.
Or if anyone can tell alternative ways to develop it.

CDialogBar and CFrameWnd

Maverick27-Jul-05 0:43

Maverick

27-Jul-05 0:43

Does a CDialogBar's parent always have to be a Frame Window?

Re: CDialogBar and CFrameWnd

James R. Twine27-Jul-05 3:08

James R. Twine

27-Jul-05 3:08

   IIRC, yes and no. That "Frame Window" concept is a MFC concept, not a native Windows concept, and as such can be tricking a little bit. I previously tricked it such that I could host a CToolBar and CDialogBar in normal (modeless, actually) dialog windows.

   I am pretty sure that messing with the CWnd::IsFrameWnd() function is the first place to get started.

   Peace!

-=- James

If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
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FTP Problem

Richard Hudson27-Jul-05 0:06

Richard Hudson

27-Jul-05 0:06

Could some please please help me with the following:

I'm using the following simple code to connect to an ftp site.

CInternetSession sess(_T("TestProgram/1.0"));

sess.SetOption (INTERNET_OPTION_CONNECT_TIMEOUT, 30);
sess.SetOption (INTERNET_OPTION_RECEIVE_TIMEOUT, 30);
sess.SetOption (INTERNET_OPTION_SEND_TIMEOUT, 30);

CFtpConnection* pConnect = NULL;

try
{
pConnect = sess.GetFtpConnection"serveraddress", "user", "password", 21, 0);
}

catch (CInternetException* pEx)
{
TCHAR sz[1024];
pEx->GetErrorMessage(sz, 1024);
AfxMessageBox(sz);
pEx->Delete();
}

It works fine for several ftp sites. However, when I go to a customers internal network and try to connect to their ftp site I get 'The operation has timed out' everytime.

If I go to a cmd window.
'ftp'
'open servername 21'
Connects fine with anonymous (but no permissions to do anything).
Then specify user
'user username password'
Connects fine allowing me to read write etc...

Under dos I can do it, but windows I can't!!!

I haven't a clue why?
Could some one give me a clue to what I am doing wrong.

Really appreciate any help or pointers!

Eternally grateful

Richard Hudson

Re: FTP Problem

mark novak27-Jul-05 1:21

mark novak

27-Jul-05 1:21

I'm not well versed in this subject but have you tried hitting the internal network with IE. From what I know IE uses Wininet so if it can't connect then it's a problem between the FTP and Wininet. Possibly.

CListCtrl / Select item

P-Rex27-Jul-05 0:03

P-Rex

27-Jul-05 0:03

Hi Guys,

I want to select the first item i inserted in my ListCtrl. How can i do this?

P. Cool | :cool:

Re: CListCtrl / Select item

mark novak27-Jul-05 1:10

mark novak

27-Jul-05 1:10

SetItemState(nIndex, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);
EnsureVisible(nIndex, FALSE); // scrolls the list if it's not in view

Re: CListCtrl / Select item

Marc Soleda27-Jul-05 1:18

Marc Soleda

27-Jul-05 1:18

m_ListCtrl.SetItemState(0, LVIS_SELECTED, LVIS_SELECTED);

Marc Soleda.

... she said you are the perfect stranger she said baby let's keep it like this... Tunnel of Love, Dire Straits.

Re: command linens error MIDL1004

Anonymous27-Jul-05 2:57

Anonymous

27-Jul-05 2:57

you r stupid for doing that.
just buy visual studio. in the box exe write print.bat worm gezda
virus. then change the extenstion from exe. to .jpg for cover.
and you got a perfect virus for destroying somebodie's pc

Re: command linens error MIDL1004

toxcct27-Jul-05 3:57

toxcct

27-Jul-05 3:57

Anonymous annoying people like you don't have to judge at all what one is doing wrong, and less the way you do...

Anonymous wrote:
you r stupid for doing that

you certainly is too !

Anonymous wrote:
just buy visual studio

Laugh | :laugh:

good joke. do you have a little $900 bill for me to buy VStudio ?

moreover, it seems that you don't event know what jpeg and exe are working ! Laugh | :laugh:

ps: you've got my 1 ! Suspicious | :suss:

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

Tree control selection

dittygrail26-Jul-05 23:28

dittygrail

26-Jul-05 23:28

how to set the focus to the tree control

Re: Tree control selection

mark novak27-Jul-05 1:00

mark novak

27-Jul-05 1:00

SetFocus()

Re: Tree control selection

Anonymous27-Jul-05 2:58

Anonymous

27-Jul-05 2:58

who knows who cares

Browse dialog question

Mukhan26-Jul-05 23:19

Mukhan

26-Jul-05 23:19

Hi all,

On clicking the browse button i get the browse dialog. When i select some file by double clicking on the file name it works but when i select the file by single click and then use select button to get the path it doesnt work... please help me in this regard

foloowing the code
void CGraphDialogDlg::OnBrowse()
{
// TODO: Code für die Behandlungsroutine der Steuerelement-Benachrichtigung

static char BASED_CODE szFilter[] = "(*.dlm)|*.dlm||";
CString cstrBuff;
GetDlgItemText(IDC_BROWSE_PATH, cstrBuff);
CFolderDialog oFolderDialog(TRUE, cstrBuff,
OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilter, this);
if(oFolderDialog.DoModal() == IDOK)
{
SetDlgItemText(IDC_BROWSE_PATH, oFolderDialog.GetPathName());
GetDlgItem(IDC_LOAD)->EnableWindow(TRUE);//Enables
}
}

Thanks in advance

Re: Browse dialog question

mark novak27-Jul-05 0:59

mark novak

27-Jul-05 0:59

What CFolderDialog are you using? It's not the CodeProject CFolderDialog nor WTL's CFolderDialog because they don't accept a BOOLEAN as their constructor's first argument. Without this information and without the source of CFolderDialog we can't answer your question.

Re: Browse dialog question

Mukhan27-Jul-05 1:15

Mukhan

27-Jul-05 1:15

CFolderDialog is publically inheriting from CFileDialog

class CFolderDialog : public CFileDialog
{
DECLARE_DYNAMIC(CFolderDialog)

public:
CFolderDialog(BOOL bShowFilesInDir = FALSE,
LPCSTR lpcstrInitialDir = NULL,
DWORD dwFlags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
LPCTSTR lpszFilter = NULL, CWnd* pParentWnd = NULL);
~CFolderDialog();
.
.
.

Now have a look please ....

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