C / C++ / MFC Discussion Boards

Re: loading and digitizing images in VC++

toxcct12-Oct-05 23:20

toxcct

12-Oct-05 23:20

what is "digitizing" a bitmap please ?

TOXCCT >>> GEII power
[toxcct][VisualCalc]

-- modified at 5:38 Thursday 13th October, 2005

WTL User Interface in MFC application

Mircea Grelus12-Oct-05 22:15

Mircea Grelus

12-Oct-05 22:15

There is this article on CP: A Technique to Customize the Title Bar of Windows[^] which lets you draw the title bar of an application. I have to do the same thing but all my applications are written in MFC. So my question how could I use the above mentioned code in MFC? Or is it possible? If not how could I custom draw the title bar in MFC. Or how could I combine the two?

Any sugestions would be greatly apreciated. This is a time sensitive matter.

regards,
Mircea Grelus

Many people spend their life going to sleep when they’re not sleepy and waking up while they still are.

Re: WTL User Interface in MFC application

Mircea Grelus12-Oct-05 22:18

Mircea Grelus

12-Oct-05 22:18

I forgot to mention. I'm refering to VC6.

Many people spend their life going to sleep when they’re not sleepy and waking up while they still are.

Re: WTL User Interface in MFC application

l a u r e n13-Oct-05 17:25

l a u r e n

13-Oct-05 17:25

u need to be drawing to the non-client area of the window... try this:

http://www.codeproject.com/gdi/updatergn.asp[^]

Wink | ;)

"there is no spoon"
{biz stuff} {about me}

Re: WTL User Interface in MFC application

Mircea Grelus14-Oct-05 4:47

Mircea Grelus

14-Oct-05 4:47

very interesting article. i'll look into it in more detail. in the mean i found another solution for my problem. I just set the border to none in my dialog getting rid of the system tray, and added a background with my system tray and the buttons i needed.

wouldn't like to do this each time Smile | :)

, so i'll look into the article as soon as i have the time.

thanks,
Mircea

Many people spend their life going to sleep when they’re not sleepy and waking up while they still are.

tmapsEnumurate Folder

Saber00112-Oct-05 21:54

Saber001

12-Oct-05 21:54

Hi I'm busy writting an Win32 application (not MFC) to display random bitmaps every 15 seconds while playing a Random song the application needs to be able to enumurate like the music folder and play a random song from there and enumurate the bitmap folder and play a random file from there

if someone can help me with the most basic file/folder enumuration i would be greatfull

THX in advance
Dewald

edit box that accepts only 0-9 and "ABCDCDEF"

kerby_arion12-Oct-05 21:53

kerby_arion

12-Oct-05 21:53

how can i set and edit control to accept only integer values and letters "abcdef"?

a journey of a thousand miles is started by taking the first step.

Re: edit box that accepts only 0-9 and "ABCDCDEF"

toxcct12-Oct-05 22:03

toxcct

12-Oct-05 22:03

overload the EN_CHANGE event...

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: edit box that accepts only 0-9 and "ABCDCDEF"

ddmcr12-Oct-05 22:31

ddmcr

12-Oct-05 22:31

You can also use cotrol subclassing.
Just derive a new class , for example CMyEdit,from CEdit and overload the WM_CHAR message handler for the new class ,like this :

void CMyEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
        TCHAR c = (TCHAR) nChar;

	if(c=='A'||c=='B'||c=='C'||c=='D'||isdigit(c))
        {
         //call base class OnChar() function
         CEdit::OnChar(nChar, nRepCnt, nFlags);
	}
}

After this , create an Edit box on your dialog and attach a CMyEdit variable to it. Then you will be able to type inside only "0123456789ABCD" letters

"Success is the ability to go from one failure to another with no loss of enthusiasm." - W.Churchill

-- modified at 4:42 Thursday 13th October, 2005

Re: edit box that accepts only 0-9 and "ABCDCDEF"

Trollslayer13-Oct-05 1:20

Trollslayer

13-Oct-05 1:20

Good but use isxdigit(), This will allow lower case as well.

Elaine Rose | [Rose]

The tigress is here Big Grin | :-D

Re: edit box that accepts only 0-9 and "ABCDCDEF"

kerby_arion13-Oct-05 15:41

kerby_arion

13-Oct-05 15:41

this works but it somehow blocks the backspace key... do you know how to resolve this?

krby_xtrm

a journey of a thousand miles is started by taking the first step.

Re: edit box that accepts only 0-9 and "ABCDCDEF"

ThatsAlok13-Oct-05 18:54

ThatsAlok

13-Oct-05 18:54

In Continuation With Giorgi (Very Nice answer)..

kerby_arion wrote:
do you know how to resolve this?
Modify Giorgi function this way:-

const short g_arrAllowed[]={1,2,3,4,5,6,7,8,9,0,'a','b','c','d','e','A','B','C','D','E',VK_BACK,VK_DELETE};
 
void CMyEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
        
        for(int i=0;i<sizeof(arrAllowed)/sizeof(short);i++)
        {
          if(nChar==arrAllowed[i])
          {
	 //call base class OnChar() function
         CEdit::OnChar(nChar, nRepCnt, nFlags);
         return;
          }
 }
	
}

"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

Re: edit box that accepts only 0-9 and "ABCDCDEF"

ddmcr13-Oct-05 22:26

ddmcr

13-Oct-05 22:26

ThatsAlok wrote:
In Continuation With Giorgi (Very Nice answer)..

thanks Alok Rose | [Rose]

"Success is the ability to go from one failure to another with no loss of enthusiasm." - W.Churchill

Re: edit box that accepts only 0-9 and "ABCDCDEF"

kerby_arion14-Oct-05 1:41

kerby_arion

14-Oct-05 1:41

i've tried this one it worked:

void CMyEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)<br />
{        <br />
     if(nChar=='A'||nChar=='B'||nChar=='C'<br />
      ||nChar=='D'||isdigit(c)||nChar==VK_BACK)<br />
     {         <br />
       //call base class OnChar() function<br />
         CEdit::OnChar(nChar, nRepCnt, nFlags);	}}

krby_xtrm

A_journey_of_a_thousand_miles_is_started_by_Taking_the_first_step.

setting a max char length of combo box or and edit control?

kerby_arion12-Oct-05 20:30

kerby_arion

12-Oct-05 20:30

how to set a max char length of combo box or and edit control?
say it would only accepts 10 characters.

a journey of a thousand miles is started by taking the first step.

Re: setting a max char length of combo box or and edit control?

The NULL Developer12-Oct-05 20:48

The NULL Developer

12-Oct-05 20:48

u can set these when u declare variables for them thru the class wizard

"Do first things first, and second things not at all."
— Peter Drucker.

Re: setting a max char length of combo box or and edit control?

kerby_arion12-Oct-05 21:32

kerby_arion

12-Oct-05 21:32

yeah i did that already i typed in "8" but still the control allows more than eight characters...

a journey of a thousand miles is started by taking the first step.

Re: setting a max char length of combo box or and edit control?

kerby_arion12-Oct-05 21:50

kerby_arion

12-Oct-05 21:50

my bad, my compiler didn't recompile... it works now... ty

a journey of a thousand miles is started by taking the first step.

Re: setting a max char length of combo box or and edit control?

toxcct12-Oct-05 21:27

toxcct

12-Oct-05 21:27

see the property dialog within the resource editor...

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: setting a max char length of combo box or and edit control?

kerby_arion14-Oct-05 1:50

kerby_arion

14-Oct-05 1:50

CComboBox *c = (CComboBox*) GetDlgItem(IDC_YOUR_COMBOBOX);<br />
c->LimitText(10); // or any value you want.

-krby_xtrm-

a journey of a thousand miles is started by taking the first step.

Re: setting a max char length of combo box or and edit control?

kerby_arion14-Oct-05 1:52

kerby_arion

14-Oct-05 1:52

CComboBox *c = (CComboBox*) GetDlgItem(IDC_YOUR_COMBOBOX);
c->LimitText(10); // or any value you want.

-krby_xtrm-

a journey of a thousand miles is started by taking the first step.

ini to xml conversion

swaapu12-Oct-05 20:21

swaapu

12-Oct-05 20:21

Hi I am learning MFC exe application.
I have to convert ini files to xml files through my application. My sample ini file(ABCD.yak) is:

ABCD.yak

[Section1]
Key1=ABCD
Key2=20

Can anybody tell me how to convert it into an xml file using mfc.
Please tell me which functions should I make?
Thanx

USB drive letter

LiYS12-Oct-05 20:14

LiYS

12-Oct-05 20:14

I asked
http://www.codeproject.com/script/comments/forums.asp?forumid=1647&fr=101#xx1251329xx[^](labelled "Get USB drives label")

few days ago, But since I didn't get the answer...
The question is boiled down to how can I retrieve the USB drive letter through

hDevInfo

&DeviceInfoData

If that's infeasible, then is there other ways around to retrieve the USB PID(Product Identifier)/VID(Vendor...)?

oleacc.dll & WinNT problem

Mohammad Tarik12-Oct-05 19:33

Mohammad Tarik

12-Oct-05 19:33

I've used VC++7 to write a program that gets some iformation from another program, parse it, do calcualations, and output the result.
It's working well on WinXP and Win2K.
However, I need it to work on WinNT (my friend need it). When he tries to run the program, a message shows up "Initialization of the dynamic link library C:\WINNT40\system\OLEACC.DLL failed. The process is terminating abnormaly".

Has anybody gone through a similar situation, or knows anything about it? Do you think that I should change something in the program, or the problem is because of the dll only?

Thanks

invoking CWnd::SetWindowPos () in COleControl sub-class meber-function takes no effect!

suchuhui12-Oct-05 19:08

suchuhui

12-Oct-05 19:08

// the parent class of CBtnEx is COleControl
CBtnEx::CtrlSetBitmap(.............)
{
SetWindowPos(NULL,0,0,20,20,SWP_NOZORDER ); // takes no effect.
}

CMyDialog()
{
m_btnEx.CtrlSetBitmap(.....);//
m_btnEx.SetWindowPos(NULL,0,0,20,20,SWP_NOZORDER ); // it works ,
// the only way is calling outside the class ?
// what should I do ?

}

suo

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