Re: Getting string from a Text file - C / C++ / MFC Discussion Boards

Re: Ultimate Grid in an ActiveX - TOOL TIPS not working....

Chetan Sheladiya12-Apr-11 2:46

Chetan Sheladiya

12-Apr-11 2:46

Hi

want to create UGrid control as ActiveX or COm to use it from C#

can you help me out?

Thanks

CC

chetan

Treeview selected item background [Solved]

Rozis27-Jul-09 10:03

Rozis

27-Jul-09 10:03

When an item in a treeview is selected it is colored blue. But if you set the focus on another control the selected item keeps selected but has no visual clue for this, you can't see which is selected. Is there a way to change the background of the selected item using WinAPI-function and/or C(++) only?

Thanks

Rozis

modified on Tuesday, July 28, 2009 6:02 AM

Re: Treeview selected item background

Code-o-mat27-Jul-09 11:44

Code-o-mat

27-Jul-09 11:44

Try adding the TVS_SHOWSELALWAYS style to your tree control.

> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Life: great graphics, but the gameplay sux. <

Re: Treeview selected item background

Rozis28-Jul-09 0:02

Rozis

28-Jul-09 0:02

Simple and effective...

Thanks

How to fill PDF's fields?

Hadi Dayvary27-Jul-09 8:27

Hadi Dayvary

27-Jul-09 8:27

Hi I wanna set the fields value of a PDF file via MFC.
I know how to do it for MSWrod, but I have no idea how to do it for a PDF file
any idea?

www.logicsims.ir

Re: How to fill PDF's fields?

Adam Roderick J27-Jul-09 18:34

Adam Roderick J

27-Jul-09 18:34

i dont think it will be easy doing the PDF writing using MFC.
use the below mentioned library named libharu, it can used to read and write PDF files Smile | :)

http://libharu.sourceforge.net/[^]

all the best Smile | :)

Величие Бога не может быть недооценена.

Getting string from a Text file

dipuks27-Jul-09 7:30

dipuks

27-Jul-09 7:30

Hey

I want to extract a string from a text file.

The file name is "info.txt"

Inside the text file there is a field called, "Age = 23"

Now i want to extract that "23" from the Age.

I know its easy to do that on an ini file, with its key name.

But how to do that on a text file.

Re: Getting string from a Text file

Rajesh R Subramanian27-Jul-09 7:51

Rajesh R Subramanian

27-Jul-09 7:51

If you're using MFC, you can use CStdioFile or CFile. With Win32, you could use ReadFile() or use the C++ stream functions as well. I'm picking the easiest and showing you an example:

CStdioFile csf;
CFileException cfe;
if(!csf.Open(_T("C:\\Temp\\rough.txt"), CFile::modeRead, &cfe))
{
	AfxMessageBox(_T("Unable to open the file"));
	return;
}
CString szBuffer;
csf.ReadString(szBuffer);
int nFind = szBuffer.Find(_T("="));
AfxMessageBox(szBuffer.Mid(nFind+1)); //Will display 23

Contents of file:

age = 23

It is a crappy thing, but it's life -^ Carlo Pallini

CToolBarCtrl::GetToolBarCtrl();

Software200727-Jul-09 7:21

Software2007

27-Jul-09 7:21

I am changing my application to use the Feature Pack 2008 to get the new "look". One of the problems I ran into, is How to change the GetToolBarCtrl()? Here is a snippet:

////Before
CToolBar m_wndGraphToolBar;
CToolBarCtrl *pGraphToolBarCtrl;
pGraphToolBarCtrl = & m_wndGraphToolBar.GetToolBarCtrl();
pGraphToolBarCtrl->HideButton(nID, TRUE );

But when I change CToolBar to CMFCToolBar, I get: 'GetToolBarCtrl' : is not a member of 'CMFCToolBar' ?
How do I replace this? Anyone ran into this one?

Thanks

Re: CToolBarCtrl::GetToolBarCtrl();

znasir16-Dec-12 23:20

znasir

16-Dec-12 23:20

Hi,

Did you find the solution of this problem? I am also stuck with this problem.

Want to know about mouse programming

WindowsVsLinux27-Jul-09 6:44

WindowsVsLinux

27-Jul-09 6:44

Hi,
I want to know about mouse programming.Actually i want to do is that there is a *.docx file in my computer(windows-XP)and i have a c program which can read the content of *.docx file.so first i have to give input(the location of the *.docx file) to that C program then it can read the content of that *.docx file.I want that when i click on *.docx file then it will be input for that C program.So how can i do this???
Please help me.....

-Ravi Joshi wanna ask about mouse programming.............

Re: Want to know about mouse programming

Rozis27-Jul-09 10:06

Rozis

27-Jul-09 10:06

Make a file assiocation telling when the user clicks on .docx-file your program is run (with the .docx-file as a commandline parameter).

Rozis

Re: Want to know about mouse programming

WindowsVsLinux27-Jul-09 19:33

WindowsVsLinux

27-Jul-09 19:33

Hey Rozis .
The same thing i want to ask you that how do to that program in C? Please help me Please....if you have any website link or any C program of that type please give me or simply mail me in ravi2008joshi@gmail.com

Will this work in C++ (Vector, Struct)

resolvequestion27-Jul-09 6:40

resolvequestion

27-Jul-09 6:40

I have buffer of data coming in and I will try to store in the as below struct would this work.

struct {
int flag,
char check,
vector<char> data,
}Packet;

Packet = Buffer; (assigning buffer information to Packet Struct)

Will vector will be assigned data auromatically or I have to use "push.back" inorder to get the data stored in vector...

THANKS!!!

Re: Will this work in C++ (Vector, Struct)

C^hris L^osinger27-Jul-09 9:10

C^hris L^osinger

27-Jul-09 9:10

in C++, the default struct assignment operator does a member-wise assignment from src to dest. and vector's default assignment operator will copy the contents of the src vector to the dest, automatically.

so, no, you shouldn't have to do any push_backs.

image processing toolkits | batch image processing

polynomial addition with array using C++

beulahponmalar27-Jul-09 6:29

beulahponmalar

27-Jul-09 6:29

i dont know how to implement polynomial addition with array pls guide me

Beulah

Re: polynomial addition with array using C++

Maximilien27-Jul-09 6:37

Maximilien

27-Jul-09 6:37

I've just googled your "question" and found a few implementations.

Since I'm no expert on polynomial additions, I cannot say if they are good or not.

Have fun looking at them and adapt them to your particular situation.

This signature was proudly tested on animals.

Notify Events When Event log is Full

Raghu.Amil27-Jul-09 5:59

Raghu.Amil

27-Jul-09 5:59

Hi,

I have written an application to get notified when any event is written to Application Log.When the code notifies I collect the recently written events and put them in a text file. ( I have reffered the http://msdn.microsoft.com/en-us/library/aa363677(VS.85).aspxto develop this application)

But when Application log is full the code is still waiting for an event to occur and never notifies.

The question is that whether the NotifyChangeEventLog() function notifies if an Application Log is full.

Is this the default behaviur of the notifyChangeEventlog() function?.If it is so is there any thing that I can do to handle this situation.

Please help me in solving this.

Thanks in advance
ARD

Re: Notify Events When Event log is Full

David Crow27-Jul-09 6:04

David Crow

27-Jul-09 6:04

Raghu.Amil wrote:
But when Application log is full the code is still waiting for an event to occur and never notifies.

The question is that whether the NotifyChangeEventLog() function notifies if an Application Log is full.

Per MSDN:

The NotifyChangeEventLog function enables an application to receive notification when an event is written to the specified event logfile.

Since nothing has been written, I guess not.

"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown

"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

Distribute application across network

vikrant kpr27-Jul-09 5:10

vikrant kpr

27-Jul-09 5:10

Hey Friends

I have a setup which copies some files and registers few com dlls and i have a network where i wish to install my application.

Now is there any automatic way of doing so or i have to run the setup on all computers indivually?

Regards

Bit of an odd one, vssver2, time_t and DWORD

J4amieC27-Jul-09 4:43

J4amieC

27-Jul-09 4:43

Excuse any ignorance im just a lowely .NET programmer and have very little c++ experience Big Grin | :-D

So i'm trying to disect vssver2.scc files for forensic purposes (don't ask Hmmm | :|

) and have found some information. mainly from here: http://alinconstantin.dtdns.net/WebDocs/SCC/VssVerScc.htm[^]

Towards the bottom of this page it gives some hint as to the structure of this file:

A vssver.scc file is composed of 3 sections:

    * a FileHeader section of 32 bytes size

          struct FileHeader
          {
             DWORD       dwSignature;        /* 0x00011234 */
             BYTE[16]    arrDatabaseGuid;    /* a GUID identifying the VSS database associated with the vssver2.scc file */
             DWORD       dwChecksum;         /* a checksum of the vssver2.scc file */
             DWORD       dwProjectID;        /* the number identifying the project from VSS database accociated with the vssver2.scc files */
             DWORD       dwFileEntries;      /* the number of file entries stored in the vssver2.scc file and following this structure */
          }

    * a number of FileEntry sections, each of them 16 bytes, one entry per each file tracked by the vssver2.scc file

          struct FileEntry
          {
             DWORD       dwFileID;           /* the number identifying the file in the VSS database that is tracked by this vssver.scc file */
             DWORD       dwFileChecksum;     /* the file's checksum */
             DWORD       dwFileTimestamp;    /* a file timestamp */
             DWORD       dwFileVersion;      /* the version of the file from the VSS database that you have locally */
          }

    * a FileNames section in the end of the file that contains
          o The null-terminated project name associated with this vssver2.scc file
          o A list of null-terminated file names that have entries in the FileEntry section

I have writeen a small c# app to read this information and I just wanted to check a few things.

1) is a DWORD is akin to a uint in .NET? In code using a BinaryReader I have uint myint = BitConverter.ToUInt32(reader.ReadBytes(4) ,0); - does that look right?
2) I was assuming that the field dwFileTimestamp would be a c++ time_t so I had the code DateTime dt = new DateTime(1970,1,1).AddSeconds(dwFileTimestamp); but this does not produce expected results (dates all over the place from 2064 to 2001). Question is, is there any other usual way that dates/times are stored in c++ ? any weird ones that are not really used any more? Any ideas?

TIA

Re: Bit of an odd one, vssver2, time_t and DWORD

Rajesh R Subramanian27-Jul-09 7:11

Rajesh R Subramanian

27-Jul-09 7:11

Hi Jamie,

J4amieC wrote:
1) is a DWORD is akin to a uint in .NET? In code using a BinaryReader I have uint myint = BitConverter.ToUInt32(reader.ReadBytes(4) ,0); - does that look right?

DWORD is an unsigned long.

J4amieC wrote:
2) I was assuming that the field dwFileTimestamp would be a c++ time_t so I had the code DateTime dt = new DateTime(1970,1,1).AddSeconds(dwFileTimestamp); but this does not produce expected results (dates all over the place from 2064 to 2001). Question is, is there any other usual way that dates/times are stored in c++ ? any weird ones that are not really used any more? Any ideas?

Is there a way you could reverse-store the values (tell what would be stored in the file in the DWORD field for a given date)? Or, can you give me an example of the value in the file and the value that you expect? (Or you just have values in the file and don't know what it may correspond to?)

It is a crappy thing, but it's life -^ Carlo Pallini

Re: Bit of an odd one, vssver2, time_t and DWORD

J4amieC27-Jul-09 23:02

J4amieC

27-Jul-09 23:02

Thanks for your answer Rajesh, sorry its taken me a while to respond I posted this before leaving work last night.

Rajesh R Subramanian wrote:
DWORD is an unsigned long.

In which case wouldnt it need 8 bytes? The documentation I posted said that the DWORD was 4 bytes and certainly BitConverter.ToUInt64() is looking for 8 bytes. Confused | :confused:

Rajesh R Subramanian wrote:
Is there a way you could reverse-store the values (tell what would be stored in the file in the DWORD field for a given date)

Im trying that, but unfortunately dont have VSS2005 here so im relying on someone in another contry to do this for me. (Again, don't ask Hmmm | :|

)

Rajesh R Subramanian wrote:
Or, can you give me an example of the value in the file and the value that you expect

I have a value 270107399 (albeit gotten as a uint not a ulong) which I would expect relates to around Jan/Feb 2006 - however using this number as seconds since 1970-01-01 I get the date as 24/7/78 05:49 :S

Re: Bit of an odd one, vssver2, time_t and DWORD

Rajesh R Subramanian28-Jul-09 5:36

Rajesh R Subramanian

28-Jul-09 5:36

You're welcome, Jamie.

J4amieC wrote:
In which case wouldnt it need 8 bytes? The documentation I posted said that the DWORD was 4 bytes and certainly BitConverter.ToUInt64() is looking for 8 bytes.

I'm not sure then why would it be a DWORD. But I'm sure a DWORD is an unsigned long (consult with Windef.h)

J4amieC wrote:
Im trying that, but unfortunately dont have VSS2005 here so im relying on someone in another contry to do this for me.

Did this happen? What were the results?

J4amieC wrote:
I have a value 270107399

With 270107399, I as well am able to get 24 Jul 1978 only.

Sorry, I'm not able to be much helpful here with this issue. Smile | :)

It is a crappy thing, but it's life -^ Carlo Pallini

How to disable the Comport Error dialog?

THAQCD27-Jul-09 4:05

THAQCD

27-Jul-09 4:05

I use the follwing codes to Open & Detect the Serial port, but even I can detect the port not avalbale & show the message ... the "Comport error" dialog keepping shown before execute my error message

DCB comPort; 

hPort = CreateFile  (COM,                          // Pointer to the name of the port
		    GENERIC_READ | GENERIC_WRITE   // Access (read-write) mode
	            0,				   // Share mode
		    NULL,			   // Pointer to the security attribute
		    OPEN_EXISTING,		   // How to open the serial port
		    0,				   // Port attributes
		    NULL);			   // Handle to port with attribute to copy

// Initialize the DCBlength member. 
comPort.DCBlength = sizeof (DCB); 


// Get the default port setting information.
if(!GetCommState (hPort, &comPort))
{
    CloseHandle(hPort);

    CString str;

    str.Format("Can not connect to Serial %s, please verify & SUBMIT over!", COM);
    AfxMessageBox (str);
}

Is there any code to disable the Comport error dialog?

Thanks to any help

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