C / C++ / MFC

Christian Graus3-Dec-06 22:25

Christian Graus

3-Dec-06 22:25

rand() generates a number. You need to use sprintf or similar ( ostringstream is my choice ), to turn it into a string.

Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog

David Crow4-Dec-06 4:56

David Crow

4-Dec-06 4:56

panduran wrote:
...a random 6 digit number in a text box. Have toyed with rand()...

You do realize that rand() returns a pseudo-random number between 0 and RAND_MAX, don't you? That said, you'll need to left-pad the result with at least one 0.

"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

"Judge not by the eye but by the heart." - Native American Proverb

ThatsAlok4-Dec-06 20:27

ThatsAlok

4-Dec-06 20:27

panduran wrote:
am trying to develop in vc++6.00 , a windows form which automatically generates and inserts a random 6 digit number in a text box. Have toyed with rand() but a

int iRandomNo=0;
srand(GetTockCount());
for(int i=0;i<6;i++)
{
iRandomNo = iRandomNo*10 + rand()/10;
}

SetDlgItemInt(ID_TEXTBOX,iRandomNo);

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
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panduran6-Dec-06 3:13

panduran

6-Dec-06 3:13

Hello thanks for your advice, I think i understand the basic concept but have only got as far as the code below. The textbox should dislplay "RN:XXXXXX" where X is the random number. The original code is open source and originally displayed previous data input by user.

My question is
1. how can I get 'SendMessageA' : function to take 5 parameters
2.Am I on the right track with this???

thnx

panduran

// geneate random number and display RN: <random number=""> in textbox of dialogue item

int RandomNo=0;

for(int r=0;r<6;r++)

{

RandomNo = RandomNo*10 + rand()/10;

std::ostringstream random_no;

}

HWND hcombo = GetDlgItem( hwnd, IDC_RANDOM_NUMBER_EDIT);

TCHAR random_no[256];

for (int i = 0; i < _this->m_pMRU->NumItems(); i++)

{
_this->m_pMRU->GetItem(i, random_no, 255);

int pos = SendMessage(hcombo, CB_ADDSTRING, 0, (LPARAM) "RN:", random_no);

}

Developer just starting out..

creating a DLL ?

Sakthiu3-Dec-06 20:37

3-Dec-06 20:37

Dear All,

I need to create a Dll that has to have a dialog applicaion.

How do i do this ?. Which application I have to choose(WIN32 Dll or MFC Dll)?.

I am going to use this dll or call this dll from another dialog based application .

Kindly Help me.

Thanks.

Naveen3-Dec-06 20:41

3-Dec-06 20:41

Sakthiu wrote:
How do i do this ?. Which application I have to choose(WIN32 Dll or MFC Dll)?.

use MFC dll

nave

Sakthiu3-Dec-06 20:47

3-Dec-06 20:47

I am using this MFC Dll only.

When I call DoModal fn of Dll from another appltion, its returning -1.

Why ?

Thanks.

Naveen3-Dec-06 20:50

3-Dec-06 20:50

call AFX_MANAGE_STATE(AfxGetStaticModuleState()); just above the DoModal() statement..

nave

Sakthiu3-Dec-06 20:53

3-Dec-06 20:53

No

Its still the same.

Not Working.

Thanks.

Naveen3-Dec-06 21:23

3-Dec-06 21:23

can u show me the code?

nave

Sakthiu3-Dec-06 21:26

3-Dec-06 21:26

This is calling the Dll code(Appliction that is using that MFC Dll). MFC Dll has CSampleC Class that is derived from CDialog.

void CFileTransClientDlg::OnBnClickedButton3()
{
CSampleC c;
if(c.DoModal()==IDOK)
{
AfxMessageBox(_T("SSS"));
}
}

Naveen3-Dec-06 21:46

3-Dec-06 21:46

the above code will not work. u need to call the DoModal function from the dll itself. oveide the DoModal function of the CSampleC as follows

int CSampleC::DoModal()
{
AFX_MANAGE_STATE( AfxGetStaticModuleState());
return CDialog::DoModal();
}

nave

ashokbngr3-Dec-06 22:30

ashokbngr

3-Dec-06 22:30

Try this .....It will work.

AFX_MANAGE_STATE(AfxGetStaticModuleState());
SAMPLEdlg = new CSAMPLEDlg();
SAMPLEdlg->Create(IDD_VPUI_DIALOG,NULL);//DoModal();
SAMPLEdlg->ShowWindow(SW_SHOW);

SARVEJANA SUKINOBAVANTHU

regards,

Ashok

Sakthiu3-Dec-06 22:33

3-Dec-06 22:33

Where do i write this code (Dll program or the program that is using Dll)?

Bye.

how to use Scripting.filesystemobject in VC++

ashokbngr4-Dec-06 0:11

ashokbngr

4-Dec-06 0:11

In DLL u write this code in open interface function

then respective dialog will be opened based on dialog ID

regards,

SARVEJANA SUKINOBAVANTHU

Ashok

_tasleem3-Dec-06 19:33

3-Dec-06 19:33

hi i want to use scripting.filesystemobject as we normally use in asp/vb.any idea how to use that in vc++.like in vb we use..

<br />
    Dim FileObject<br />
    Set FileObject = CreateObject("Scripting.FileSystemObject")<br />

i want to use same like code in Vc++. any ideas.

Regards.
Tasleem Arif

ThatsAlok3-Dec-06 19:39

ThatsAlok

3-Dec-06 19:39

_tasleem wrote:
Scripting.FileSystemObjec

What about CFileFind class!

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and you

_tasleem3-Dec-06 20:29

3-Dec-06 20:29

no,The work done next with these file system objects is not present in CFileFind,
actually i will use that to hide the Folders,There is api SetFileattributes but when i click on menu show hidden files then through Filesystemobject it is not visible which i want but visible through SetFileAttributes() api which i dont want.
hope this help to suggest u better.

Regards.
Tasleem Arif

jhwurmbach4-Dec-06 4:37

jhwurmbach

4-Dec-06 4:37

_tasleem wrote:
The work done next with these file system objects is not present in CFileFind

Wouldn't it be better to find out what the FileSystemObject is doing and reproduce it using the API (which FileSystemObject is using itself)?

"We trained hard, but it seemed that every time we were beginning to form up into teams we would be reorganised. I was to learn later in life that we tend to meet any new situation by reorganising: and a wonderful method it can be for creating the illusion of progress, while producing confusion, inefficiency and demoralisation."

-- Caius Petronius, Roman Consul, 66 A.D.

_tasleem4-Dec-06 18:13

4-Dec-06 18:13

yes,but i had not found any such api.I had found one as i previously mentioned but that does not work 4 my requirements.

Regards.
Tasleem Arif

ThatsAlok4-Dec-06 20:22

ThatsAlok

4-Dec-06 20:22

_tasleem wrote:
yes,but i had not found any such api.I had found one as i previously mentioned but that does not work 4 my requirements.

first import dll :-
#import "Scrrun.dll" rename("scripting","Scripting") raw_interfaces_only

then this code :-

Scripting::IFileSystemPtr fileSysPtr;
    Scripting::IDrivePtr    drvPtr=NULL;    
    Scripting::IFolderPtr    folderPtr=NULL;
    str.LockBuffer
    

    CLSID fileSys;
    HRESULT hr;

    CLSIDFromProgID(L"Scripting.FileSystemObject",&fileSys);
    fileSysPtr.CreateInstance(fileSys);
    hr =fileSysPtr->CreateFolder(L"C:\alok123",NULL);
    BSTR fileDirectory;
    hr = fileSysPtr->GetDriveName(L"D:\\alok",&fileDirectory);
    hr = fileSysPtr->GetDrive(fileDirectory,&drvPtr);


    
    CoUninitialize();

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and you

_tasleem4-Dec-06 22:31