C / C++ / MFC

Re: Beginner's Question 2

11-Sep-09 5:35

You can't eat your cake and have it too. Think about it: if you are not somehow saving each value that is input (i.e., you are reusing number each time), how could you expect to display those after the while() loop ends?

"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

UKM_Student11-Sep-09 5:44

UKM_Student

11-Sep-09 5:44

Oh i think i get what u mean,most probably my lecturer haven't teach me yet so i won't try to use it first xD

Have been spending the whole afternoon doing just 5 easy questions ._.

How to control the size of MessageBox

Software200711-Sep-09 3:21

11-Sep-09 3:21

Hi,

Any suggestions how I might be able to control the size of MessageBox in MFC?

I use AfxMessageBox to display the box, but it doesn't accept long lines, it moves it to the next line when the line gets to certain size I guess.

Thanks

David Crow11-Sep-09 3:44

11-Sep-09 3:44

Software2007 wrote:
I use AfxMessageBox to display the box, but it doesn't accept long lines, it moves it to the next line when the line gets to certain size I guess.

What string are you passing to it?

Software200711-Sep-09 5:24

11-Sep-09 5:24

CString

David Crow11-Sep-09 5:26

11-Sep-09 5:26

And the contents of that object would be?

Software200711-Sep-09 5:32

11-Sep-09 5:32

Not sure what you mean,

I have something like the following,

CString Msg;
Msg.Fomrat("This is a long first line to display here to make my point\nThis is a long Second line to display here to make my point");
AfxMessageBox(Msg,MB_OK);

The output:
This is a long first line to display here to make my
point
This is a long Second line to display here to make my
point

Can I resize the box to make the first and second line fit without breaking them?

David Crow11-Sep-09 5:47

11-Sep-09 5:47

Software2007 wrote:
Can I resize the box to make the first and second line fit without breaking them?

Your code snippet worked fine for me (ie, no wrapping). When I increased the length of the first line to 128 characters, it wrapped. I don't know what's going on.

Software200711-Sep-09 5:59

11-Sep-09 5:59

That was just a rough snippet, but how can I avoid the wrap when it does get to 128 characters? Is there a different method that I would be able to display a line of > 128 chars, doesn't have to be a MessageBox function.

Thanks

David Crow11-Sep-09 6:00

11-Sep-09 6:00

Create your own message box.

Software200711-Sep-09 6:02

11-Sep-09 6:02

Meaning to create a dialog or somehow override the functionality of the "AfxMessageBox" ?

David Crow11-Sep-09 6:03

11-Sep-09 6:03

Software2007 wrote:
Meaning to create a dialog...

Yes.

Software200711-Sep-09 6:06

11-Sep-09 6:06

Thanks, it helps that I already have this done, but I wasn't too sure if there was a way to control the size of the Message Box by setting something that I didn't know of. But, I am assuming the answer is NO.

Richard MacCutchan11-Sep-09 4:23

Richard MacCutchan

11-Sep-09 4:23

As we used to tell our users "Working as coded". AfxMessageBox is a wrapper for the Win32 MessageBox() function, whose job is to provide a simple dialog with a message and a couple of buttons. The box will resize itself to a certain extent based on the message to display, but its purpose is merely to display the information, and not to provide parameterisation: that function is provide by Dialog boxes q.v.

Joe Woodbury11-Sep-09 6:10

Joe Woodbury

11-Sep-09 6:10

No, except indirectly by inserting LF ('\n') characters.

Software200711-Sep-09 6:12

11-Sep-09 6:12

Didn't get it, will this make the box wider or taller?

draw Panel Image to another Panel window

Joe Woodbury11-Sep-09 6:20

Joe Woodbury

11-Sep-09 6:20

You can't make the message box wider. It will chose a size based on how big the display is and other internal constraints. The LF characters will help you keep the box skinnier and taller. (It may be different on Vista and 7, but XP and before sometimes makes message boxes so wide that they are hard to read and look silly.)

As someone else pointed out; if you need to control the size very specifically, write a dialog box.

raj157611-Sep-09 2:01

raj1576

11-Sep-09 2:01

Hi All

I am making an application to play the video file using c++ builder. I am using directshow to play the any video file. I am Rendering the video on to the panel control. I want the first frame of this video and draw on to the another panel control. For getting the first frame I paused the video as start so that i got the first frame of the video but how i draw this frame to another panel pls help me

MySql DESCRIBE

rdop11-Sep-09 1:40

rdop

11-Sep-09 1:40

Hi All

How can i store MySql DESCRIBE table command in CString?I am useing

_ConnectionPtr m_pConn,RecordsetPtr pRecordset
pRecordset=m_pConn->Execute(_bstr_t(dec), 0, adCmdText);
_variant_t talble = pRecordset->GetRows(adGetRowsRest);

How can i store like that
CString Filed=Name;
CString Type=Varchar(20);
....
Plz help me

alternaive for Setpixel and GetPixel

Game-point11-Sep-09 1:36

Game-point

11-Sep-09 1:36

Hi Folks

Getpixel and setpixel methods are too slow ..what it is the alternative solution for that ...method ..and plz give me one samples

Thanks

~~~~~~~~~~~~~Raju~~~~~~~~~~~~~

Richard MacCutchan11-Sep-09 1:42

Richard MacCutchan

11-Sep-09 1:42

rajugis wrote:
Getpixel and setpixel methods are too slow

Too slow for what? Please explain what you are trying to achieve.

rajugis wrote:
and plz give me one samples

We have no idea what you are trying to achieve, nor what you have tried. Be specific about which part of your program does not work.

Game-point11-Sep-09 1:58

Game-point

11-Sep-09 1:58

I have one image file ..which contains the buildings i want to cut top of left corner building ..

before that i have read image in pixel - by - pixel so that its very slow ..

~~~~~~~~~~~~~Raju~~~~~~~~~~~~~

Maximilien11-Sep-09 2:34

Maximilien

11-Sep-09 2:34

What is the criteria to cut/crop the image?

Seems to be a hassle to look for pixels details to do that ?

This signature was proudly tested on animals.