C / C++ / MFC Discussion Boards

Rajiya8-Aug-06 20:41

8-Aug-06 20:41

Hi,

I am saving recorded file in a folder, but am hardcoding the name in the code itself.I want the recorded .wav file to get the name as current date and time for e.g. 08/09/0611:55:39.wav.I get the name of the file in a string variable but it does not gets saved coz it does not recognise the slash(/).I want a way in which i can convert the slash(/) in the date string to hyphen(-).
For e.g 08/09/0611:55:39.wav has to be converted to 08-09-0611:55:39.wav.
I am using VC++, please suggest me how can i solve this problem.
Thanks

Riz

Re: Saving the file with date and time

Amar Sutar8-Aug-06 20:50

Amar Sutar

8-Aug-06 20:50

CString cstrFileName;// File name to be save
..
..
// Use following functions on file name variable

cstrFileName.Replace(':','-');
cstrFileName.Replace('/','-');

Regards
Amar Smile | :)

Re: Saving the file with date and time

Hamid_RT8-Aug-06 21:51

Hamid_RT

8-Aug-06 21:51

Like this

<br />
	CTime time = CTime::GetCurrentTime();<br />
	CString str;<br />
	str.Format("%d-%d-%d%d:%d:%d%s",<br />
	time.GetDay(),<br />
	time.GetMonth(),<br />
	time.GetYear(),<br />
	time.GetHour(),<br />
	time.GetMinute(),<br />
	time.GetSecond(),".wav");<br />
<br />

WhiteSky

any ideas to reduce log file size or make log file size managed?

George_George8-Aug-06 20:35

George_George

8-Aug-06 20:35

Hello everyone,

I found the log file size is becoming larger and larger. Any ideas to reduce the file size or make log file size managed, for example, keep the log file be fixed size or some other policies? Any reference tutorials or open source samples to recommend?

thanks in advance,
George

Re: any ideas to reduce log file size or make log file size managed?

Hamid_RT8-Aug-06 20:58

Hamid_RT

8-Aug-06 20:58

See Fixed-Length Logging[^]if its your purpose

WhiteSky

Re: any ideas to reduce log file size or make log file size managed?

George_George8-Aug-06 21:36

George_George

8-Aug-06 21:36

Look cool, thank you WhiteSky!

regards,
George

XML Programming in VC++.net

Sarvan AL8-Aug-06 20:27

Sarvan AL

8-Aug-06 20:27

Dear All,

I am a newbie to XML. I'd like to know XML programming by VC++.net.
Kindly let me know the right path to learn this.

Thanks in advance,
Sarvan AL

Re: XML Programming in VC++.net

Hamid_RT8-Aug-06 20:48

Hamid_RT

8-Aug-06 20:48

See Introduction to Using the XML DOM from Visual C++[^]and Working with XML in a Classic COM Application[^]

WhiteSky

Re: XML Programming in VC++.net ___Thank you

Sarvan AL8-Aug-06 21:04

Sarvan AL

8-Aug-06 21:04

Dear WhiteSky,

Thanks a lot for your immediate reply and suggestion.

Sarvan AL

XLL Development : Adding Rows in Excel Sheet using VC++

sakings998-Aug-06 20:07

sakings99

8-Aug-06 20:07

Hi I have created XLL Plugin for Excel Worksheet.
I know how to take the CXlOper as an argument or Return this type of Argument to Excel Sheet.

Currently i need to know how can i Perform Row Addition with in XLL Code.
I am writing XLL in C++ using MFC.

Can any one please show me a sample for what i want to achieve ?

Thanks
Sheraz

Re: XLL Development : Adding Rows in Excel Sheet using VC++

Hamid_RT8-Aug-06 21:13

Hamid_RT

8-Aug-06 21:13

SeeSample Excel Function Add-in in C[^] maybe it is some helpful to you

WhiteSky

Smart GDI class that implements RAII

min_2_max8-Aug-06 20:05

min_2_max

8-Aug-06 20:05

Hello,

I'm finding some "smart" GDI obj(e.g. CPen, CBrush, etc.) wrapper class that implements the RAII idiom, to make the GDI coding somewhat easier. Is such stuff available?

Thanks.

Re: Smart GDI class that implements RAII

Hamid_RT8-Aug-06 20:53

Hamid_RT

8-Aug-06 20:53

What do you need?

WhiteSky

tabctrl and manifest

locoone8-Aug-06 17:36

locoone

8-Aug-06 17:36

i have a dialog with a manifest the tabctrl looks right but i have check boxes on it and the backcolor of the text is tan like the dialog and the tab is white how do i fix it?

Count number of open documents in MDI [modified]

clintalt8-Aug-06 16:44

clintalt

8-Aug-06 16:44

I'd like to write a function that tells me how many documents I have open of a particular document type. I want to call this function whenever someone tries to open a new document and if that would exceed the predefined number allowed, notify them with a message box.

Any ideas?????

Thanks,

The secret to creativity is knowing how to hide your sources. (Albert Einstein)

-- modified at 22:44 Tuesday 8th August, 2006

Re: Count number of open documents in MDI

Viorel.8-Aug-06 21:36

Viorel.

8-Aug-06 21:36

If you are dealing with MDI application in MFC using CMultiDocTemplate class, then I think you should use its members in this manner:

CMutiDocTemplate * t = ...; // the template for given document type
int total_documents = 0;
POSITION pos = t->GetFirstDocPosition();
while(pos != NULL)
{
	++total_documents;
	pos = t->GetNextDoc(pos);
}

I hope this helps.

How to add menu to other applications

Dody_DK8-Aug-06 12:37

Dody_DK

8-Aug-06 12:37

Hey All

I am wondering how to add new menu to other application, meaning I want to add a menu to another application that is not mine

let's say I want to add menu to Windows Live Messenger or Yahoo!

any idea how?

thanks in advance!

Re: How to add menu to other applications

Hamid_RT8-Aug-06 21:22

Hamid_RT

8-Aug-06 21:22

When you run this code you have two "test" in File last option and another after help

<br />
PROCESS_INFORMATION l_ProcessInfo;<br />
STARTUPINFO l_StartupInfo;<br />
<br />
ZeroMemory(&l_StartupInfo, sizeof(STARTUPINFO));<br />
<br />
l_StartupInfo.cb = sizeof(STARTUPINFO);<br />
l_StartupInfo.dwFlags = STARTF_USESHOWWINDOW;<br />
l_StartupInfo.wShowWindow = SW_SHOWMAXIMIZED;<br />
<br />
CreateProcess(NULL, <br />
"Notepad.exe", <br />
NULL, <br />
NULL, <br />
FALSE,<br />
DETACHED_PROCESS,<br />
NULL,<br />
NULL,<br />
&l_StartupInfo,<br />
&l_ProcessInfo);<br />
<br />
MessageBox("Wait");<br />
HWND hWnd = ::FindWindow("Notepad", NULL); //find notepad<br />
HMENU h=::GetMenu(hWnd);<br />
HMENU h2=GetSubMenu(h,0);<br />
<br />
AppendMenu(h2,MF_STRING,22,"test");<br />
AppendMenu(h,MF_STRING,22,"test");<br />

WhiteSky

Re: How to add menu to other applications

Dody_DK9-Aug-06 2:14

Dody_DK

9-Aug-06 2:14

thanks alot
I didn't think it was easy like that to do what I am trying to, I thought I needed to hook the application first

I have one more question, how I can I add the WM_COMMAND ability to this code so when I click on "test" a MessaBox will pop up?

thanks in advance!

Re: How to add menu to other applications

Hamid_RT9-Aug-06 5:52

Hamid_RT

9-Aug-06 5:52

You can see an article from Mr David Crow about "resource" maybe it is some helpful to you

WhiteSky

Re: How to add menu to other applications

Dody_DK9-Aug-06 8:05

Dody_DK

9-Aug-06 8:05

I tried to find the article and searched after the arthur name but no result
are you sure it is the right name?

thanks!

Re: How to add menu to other applications

Hamid_RT9-Aug-06 22:31

Hamid_RT

9-Aug-06 22:31

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

WhiteSky

c++ Project help asap

klck20008-Aug-06 10:47

klck2000

8-Aug-06 10:47

I am havin problems doing this c++ project.Its in regards to whether i can use one main class (e.g.main.cpp) or have to use a few classes.I am also a bit weak when it comes to c++ as java is my main language so any hints on the code or how to go about doing this would be great.The basic idea is :
Create a class called DataSet that stores a vector of floating-point values. Give this vector an initial size of zero, and use the push_back operation to add new elements.

The DataSet class should have a public member function for each of the operations described above, as well as a member function that adds an element to the vector.

I have to get the MEAN,MEDIAN and Standard Deviation.

I would very much appreciate if you could help me asap as I am desperately stuck.

PLEASE HELP ASAP IF U CAN

Thanks in advance,

klck2000

Re: c++ Project help asap

David Crow8-Aug-06 10:51

David Crow

8-Aug-06 10:51

So what part is troubling you?

Creating a class

Adding a vector member

Initializing member variables

Adding to a vector

Creating other methods

Reading from a file

"Money talks. When my money starts to talk, I get a bill to shut it up." - Frank

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

Re: c++ Project help asap

klck20008-Aug-06 10:58

klck2000

8-Aug-06 10:58

tell you the truth,im having a problem with everything,i dont know where to start.i just dont know how to do it,iv tried but get nothing but errors.can you help??heres my main class:

#include <iostream>

//#include "main.h"

using namespace std;

#include "main.h"

int main(){

Calcs calcs("input.dat");

cout << "Mean is " << calcs.findMeanHeight() << "\n";

cout << "Standard deviation in height is " << calcs.findStandardDeviation() << "\n";

heres my calcs class to get the mean etc:

#include <fstream>
#include <cmath>
using namespace std;

#include "calcs.h"

Calcs:: Calcs(string filename){
ifstream ifile("input.dat");
/*ifile >> _dimension;
for (int i=0; i<_dimension; i++){
for (int j=0; j<_dimension; j++)
ifile >> _heights[i][j];
}
}

void Calcs::print(ostream& s) const {
for (int i=0; i<_dimension; i++){
for (int j=0; j<_dimension; j++)
s << _heights[i][j] << " ";
s << "\n";
}
*/
}

double Calcs::findMeanHeight() const {
double runningMean=0;
for (int i=0; i<_dimension; i++)
for (int j=0; j<_dimension; j++)
runningMean+=_heights[i][j]/(pow(_dimension,2.0));
return runningMean;
}

double Calcs::findStandardDeviation() const{
// return standard deviation of heights
double squareOfMeans = pow(findMeanHeight(),2.0);
return sqrt(meanOfSquares()-squareOfMeans);
}
}
}
}

double Calcs::meanOfSquares() const{
double runningMean=0;
for (int i=0; i<_dimension; i++)
for (int j=0; j<_dimension; j++)
runningMean+=pow(_heights[i][j],2.0)/pow(_dimension,2.0);
return runningMean;
}
PLEASE HELP!!

klck2000

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