Problem with openin CommPort - C / C++ / MFC Discussion Boards

Re: Having trouble using Chris' Grid Control

Chris Maunder25-Jul-03 15:03

Chris Maunder

25-Jul-03 15:03

Have you declared IDC_GRID in your resource.h file?

cheers,
Chris Maunder

Re: Having trouble using Chris' Grid Control

Terry O'Nolley25-Jul-03 15:19

Terry O'Nolley

25-Jul-03 15:19

Hey there!

Thanks for making this tool available to us all. I was looking for a grid and couldn't find anything except for Active-X controls. Yours seemed to be just what I was looking for.

Chris Maunder wrote:
Have you declared IDC_GRID in your resource.h file?

It is declared and appears properly when I click the button to display the dialog box that contains it. The calls to m_Grid.SetColumnCount();, m_Grid.SetColumnCount(); & m_Grid.SetFixedRowCount(); work fine and the grid displays with the proper number of rows, columns and fixed rows.

But when I go the next step and call m_Grid.SetItemText(1, 1, "ID"); it returns FALSE.

Note that all of the above calls are in my OnInitDialog handler.

=============== EDIT =====================
Nevermind Smile | :)

I discovered the problem. I was trying to set the text of the first (fixed) row but forgot to reference it as the zeroeth row. EXCELLENT work!!!!!!!!!!!!!!!!

Re: Having trouble using Chris' Grid Control

Chris Maunder25-Jul-03 15:08

Chris Maunder

25-Jul-03 15:08

In your resource file:

#define IDC_GRID                        1004

In your header:

#include "GridCtrl_src/GridCtrl.h"
class CGridCtrlDemoDlg : public CDialog
{
// Construction
public:
   ...
   CGridCtrl m_Grid;

In your implementation file:

...
void CGridCtrlDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CGridCtrlDemoDlg)
	...   
	DDX_Control(pDX, IDC_GRID, m_Grid); 
	//}}AFX_DATA_MAP
}
...
BOOL CGridCtrlDemoDlg::OnInitDialog()
{
    m_Grid.[SetSomeProperties...];

cheers,
Chris Maunder

Menu prompt

Anonymous25-Jul-03 8:06

Anonymous

25-Jul-03 8:06

Hi,

I have a doubt. How can I do to change the menu prompt at runtime ?

thanks.

Re: Menu prompt

Maximilien25-Jul-03 8:51

Maximilien

25-Jul-03 8:51

menu prompt ?

the menu item text or the text that is displayed in the status bar when moving the mouse over a menu item ?

the first one is simple, use CMenu::ModifyMenu

the other things, I don't know .

Maximilien Lincourt
"Never underestimate the bandwidth of a station wagon filled with backup tapes." ("Computer Networks" by Andrew S Tannenbaum )

Re: Menu prompt

Anonymous25-Jul-03 8:56

Anonymous

25-Jul-03 8:56

Hi,

Actually, I'm talking about the text that is displayed in the status bar when moving the mouse over the menu...

Can you help me ?

Re: Menu prompt

Bob Stanneveld25-Jul-03 10:20

Bob Stanneveld

25-Jul-03 10:20

Often that text is retreived from your accelerator table or string table (recources!).
the only thing you can do (as far as my knowledge go's) is harcode the tooltips...

good luck, I think you need it... Poke tongue | ;-P

A student knows little about a lot.
A professor knows a lot about little.
I know everything about nothing.

Problem with openin CommPort

soobot25-Jul-03 8:02

soobot

25-Jul-03 8:02

Dear Friends
As it is my first time to get a grip to commport, I've lots of problem with it, I used file operation method but it doesn't work properly, and notify by error 6 & 5.
I'd be appreciated if you could take a look at my code as bellow as advise me in this case
Regards

BOOL CMainFrame::InitSerialPort()
{
DCB dcb;
BOOL fSuccess;
char *pcCommPort = "COM1";
m_hComPort = CreateFile( pcCommPort,
GENERIC_READ | GENERIC_WRITE,
0, // comm devices must be opened w/exclusive-access
NULL, // no security attributes
OPEN_EXISTING, // comm devices must use OPEN_EXISTING
0, // not overlapped I/O
NULL // hTemplate must be NULL for comm devices
);

if(m_hComPort == INVALID_HANDLE_VALUE)
{
// Handle the error.
CString str;
str.Format("CreateFile failed with error %d.\n", GetLastError());
AfxMessageBox(str);
return FALSE;
}
fSuccess = GetCommState(m_hComPort, &dcb);

if (!fSuccess)
{
// Handle the error.
AfxMessageBox("GetCommState failed with error %d.\n", GetLastError());
return FALSE;
}
dcb.BaudRate = CBR_9600; // set the baud rate
dcb.ByteSize = 8; // data size, xmit, and rcv
dcb.Parity = NOPARITY; // no parity bit
dcb.StopBits = ONESTOPBIT; // one stop bit

fSuccess = SetCommState(m_hComPort, &dcb);

if(!fSuccess) //////////// this line hs been repeated ////////
{
// Handle the error.
AfxMessageBox("SetCommState failed with error %d.\n", GetLastError());
return FALSE;
}
return TRUE;
}
//**************************************************************************************************
void CMainFrame::OnCommClose()
{
m_ComPortOpened = FALSE;
m_isRunning = FALSE;

Re: Problem with openin CommPort

David Crow25-Jul-03 10:56

David Crow

25-Jul-03 10:56

soobot wrote:
AfxMessageBox("SetCommState failed with error %d.\n", GetLastError());

AfxMessageBox() does not do variable substitution.

Re: Problem with openin CommPort

Majid Shahabfar25-Jul-03 18:32

Majid Shahabfar

25-Jul-03 18:32

replace all of MessageBox's with
CString str;
str.Format("CreateFile failed with error %d.\n", GetLastError());
AfxMessageBox(str);

Then repeat your problem in board message.
If u wanna give a fast conclusion your message should be in first page of the forum.

converting scanned graph to coordinates

Peter Molnar25-Jul-03 7:47

Peter Molnar

25-Jul-03 7:47

Hi,

I have scanned in graphs which are now available in bitmap format and I wanna programmatically convert its curves (i.e. significant points) to coordinates expressed in numbers.

Please give me advice.

Bunburry

Convert Font!

Dang Xuan Ky25-Jul-03 7:45

Dang Xuan Ky

25-Jul-03 7:45

Hello,

I want to change FONT from one type to another type. Courier to Arial for example. Which function can help me to do that?

Thanks a lot.

Re: Convert Font!

Anthony_Yio25-Jul-03 17:27

Anthony_Yio

25-Jul-03 17:27

Actually, your question is quite ambiguous but with my sixth sense around I try to answer your question. Smile | :)

I assumed you are talking about DC painting or drawing in a formview or dialog. To change a font type, codes are as below and comments do the explanation.

<br />
CFont      oFont;<br />
		oFont.CreateFont(11, 6, 0, 0, FW_THIN, FALSE, FALSE, FALSE,DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS, PROOF_QUALITY, DEFAULT_PITCH | FF_MODERN, "Arial"); //Create Arial font type with certain behaviour. check out MSDN<br />
<br />
CFont* oPreviousFont = (CFont*) pDC->SelectObject(&oFont);<br />
<br />
		COLORREF colPreviousTextColor = pDC->GetTextColor();//pDC is your pointer to your device context. <br />
		pDC->SetTextColor(RGB(255,0,0)); //set to red color<br />
		<br />
                RECT _rect;<br />
                GetClientRect(&_rect);<br />
                CRect oRect(_rect);<br />
		pDC->DrawText("Hi, I am in Arial ",oRect,DT_RIGHT); //Aligns text flush right<br />
		pDC->SetTextColor(colPreviousTextColor); //change back to original text color<br />
	    pDC->SelectObject(oPreviousFont);	//set back to previous font type

Hope this helps.

ActiveX container Tester

sdfdsfa25-Jul-03 5:18

sdfdsfa

25-Jul-03 5:18

How can I use the method loadfile for ADOBE ACROBAT CONTROL ACTIVEX
from ActiveX container Tester. I have tried to put full path to
specific .pdf file and set to VT_BSTR for parameter type. Seems
it doesn't do anything. anyone has same problem before and managed
to solve?

Thanks
Shin

Help with timer 8-J

S^nyp25-Jul-03 5:09

S^nyp

25-Jul-03 5:09

I am making a timer program but I want it to stop at a certain number like 300. I made it so it counted but the timer wouldn't stop at a certain number i.e. 300.

[It is possible to represent everything in this universe by using 0 and 1]

I was born intelligent
Education ruined me!.

An idea is useless until it has been implemented.

Re: Help with timer 8-J

AlexO25-Jul-03 5:13

AlexO

25-Jul-03 5:13

Source code might help

Re: Help with timer 8-J

S^nyp25-Jul-03 5:19

S^nyp

25-Jul-03 5:19

if(m_iCount == '300')<br />
{<br />
    KillTimer(ID_TIMER);<br />
    m_cStart.EnableWindow(TRUE);<br />
}

I have this in my Start button but I just realized that, that place is not a
very good choice (YAY). But I still don't know were to put it.....

[It is possible to represent everything in this universe by using 0 and 1]
I was born intelligent
Education ruined me!.
An idea is useless until it has been implemented.

LOL

S^nyp25-Jul-03 5:24

S^nyp

25-Jul-03 5:24

I figured this out Laugh | :laugh:

see I had to include this in the wm_timer function or the OnTimer function, and had to change the statement to:

if(m_iCount == 300)<br />
{<br />
    KillTimer(ID_TIMER);<br />
    m_cStart.EnableWindow(TRUE);<br />
}

[It is possible to represent everything in this universe by using 0 and 1]

I was born intelligent
Education ruined me!.

An idea is useless until it has been implemented.

Re: Help with timer 8-J

S^nyp25-Jul-03 5:25

S^nyp

25-Jul-03 5:25

Thx though for the concern.... Poke tongue | ;-P

[It is possible to represent everything in this universe by using 0 and 1]

I was born intelligent
Education ruined me!.

An idea is useless until it has been implemented.

Install TCP/IP protocol programmatically?

Dominik Reichl25-Jul-03 5:03

Dominik Reichl

25-Jul-03 5:03

Hello,

do you know how to install the TCP/IP protocol programmatically? Normally you do this using the control panel but how to do it in a program?

-Dominik

_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??

Re: Install TCP/IP protocol programmatically?

User 665825-Jul-03 6:06

User 6658

25-Jul-03 6:06

Sorry, I don't know, but I'd like to know the answer to your signature Big Grin | :-D

Grüße aus Deutschland Wink | ;)

modified 12-Sep-18 21:01pm.

Re: Install TCP/IP protocol programmatically?

Dominik Reichl25-Jul-03 6:48

Dominik Reichl

25-Jul-03 6:48

Why don't you try it? Big Grin | :-D

;)

-Dominik

_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??

Re: Install TCP/IP protocol programmatically?

User 665825-Jul-03 6:58

User 6658

25-Jul-03 6:58

Unhandled exception at 0x00401002 in asmtest.exe: 0xC0000096: Privileged instruction.

No more, no less Big Grin | :-D

modified 12-Sep-18 21:01pm.

Re: Install TCP/IP protocol programmatically?

Dominik Reichl25-Jul-03 7:00

Dominik Reichl

25-Jul-03 7:00

Hmm, interesting Frown | :(

At least on 9x/Me it works Big Grin | :-D

-Dominik

_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??

Re: Install TCP/IP protocol programmatically?

John M. Drescher25-Jul-03 8:36

John M. Drescher

25-Jul-03 8:36

You can not communicate with ports in NT (4.0,2k,XP,2003,++). That is only done with a device driver..

John

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