C / C++ / MFC

ThatsAlok24-Sep-08 19:55

ThatsAlok

24-Sep-08 19:55

try UpdateWindow() api, it will post WM_PAINT message to Listctrl to redraw it self!

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Never mind - my own stupidity is the source of every "problem" - Mixture

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
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Le@rner24-Sep-08 20:21

24-Sep-08 20:21

I m using a List in Form View,If i add Paint function it prompts OnPaint not use for views.

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

ThatsAlok24-Sep-08 20:51

ThatsAlok

24-Sep-08 20:51

I am asking you to call CListCtrl->UpdateWindow()

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You/xml>

Le@rner24-Sep-08 21:25

24-Sep-08 21:25

Where i can call this function.

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

Roger Allen25-Sep-08 0:26

Roger Allen

25-Sep-08 0:26

As your running the CListCtrl in a CFormView you are probably DDX'ing the control to assign it to a member variable. In your header you will have somwthing like:

CListCtrl m_myList;

In the .cpp file:

DDX_Control(pDX, IDC_LIST1, m_myList);

To cause the window to re-draw itself you will need to call the UpdateWindow function as follows:

m_myList.UpdateWindow();

If you vote me down, my score will only get lower

Le@rner25-Sep-08 0:33

25-Sep-08 0:33

Roger Allen wrote:
To cause the window to re-draw itself you will need to call the UpdateWindow function as follows:

m_myList.UpdateWindow();

i know that but i asking u in which function i can use this.

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

Re: restart system by code

Roger Allen25-Sep-08 0:51

Roger Allen

25-Sep-08 0:51

There is no easy place that I can think of where you can catch the WM_VSCROLL event of the CListCtrl.

I would suspect the problem lies in the NM_CUSTUMDRAW handler for the items being drawn.

If I remember correctly a CLIstCtrl uses the ScrollWindow function and then gets you to draw the new items which have scrolled into view. The ScrollWindow function only scrolls the areas for which a column has been created for. Options:

1. Change your custon draw function to limit the background colour drawing to the width of the created columns so you do not draw in the unused blank area.

2. Try changing the style of the CListCtrl to included the LVS_EX_FULLROWSELECT style.

m_list.SetExtendedStyle(m_list.GetExtendedStyle() | LVS_EX_FULLROWSELECT);

This may cause the control to scroll the entire client area correctly.

If you vote me down, my score will only get lower

restart system by code

Madan Chauhan24-Sep-08 19:35

Madan Chauhan

24-Sep-08 19:35

Hi all,
At one point of my application(using vc++) I need to restart the system. That I am doing like-

BOOL CtestShutDlg::RestartSystem()
{
HANDLE hToken;
TOKEN_PRIVILEGES tkp;

// Get a token for this process.

if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
return( FALSE );

// Get the LUID for the shutdown privilege.

LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid);

tkp.PrivilegeCount = 1; // one privilege to set
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

// Get the shutdown privilege for this process.

AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);

if (GetLastError() != ERROR_SUCCESS)
return FALSE;

// Shut down the system and force all applications to close.

if (!ExitWindowsEx(EWX_REBOOT,
SHTDN_REASON_MAJOR_OPERATINGSYSTEM |
SHTDN_REASON_MINOR_UPGRADE |
SHTDN_REASON_FLAG_PLANNED))
return FALSE;

return TRUE;

}

It restart the system immediately when this function called up. I want that there should be some kind of warning or any type of message to user "your system need to be reboot now" like that before rebooting.

Please suggest me some way how can I do this.

Thanks

ThatsAlok24-Sep-08 19:51

ThatsAlok

24-Sep-08 19:51

Place a MessageBox before Rebooting, based on user selection, you can implement rebooting logic like :-

if(MessageBox("Do You want restart the computer","",MB_YESNO)== IDYES))
// restart the comp
else
//return, user doesn't want to restart the computer

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You/xml>

Re: restart system by code

Madan Chauhan24-Sep-08 20:02

Madan Chauhan

24-Sep-08 20:02

Thanks for your suggestion Alok,

I will apply this now.

Re: restart system by code

ThatsAlok24-Sep-08 20:07

ThatsAlok

24-Sep-08 20:07

my pleasure buddy!

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You/xml>

getting hard disk name

VCProgrammer24-Sep-08 19:34

VCProgrammer

24-Sep-08 19:34

Hi all,

I am using VC-2008 for coding and i wanted to get my hard disk name and all the information related to it.....

Can anybody please tell me which api to use....

Thanks in advance

Re: getting hard disk name

SandipG 24-Sep-08 20:21

SandipG

24-Sep-08 20:21

You can use WMI.

Here is sample link for using WMI
WMI C++ Example[^]

And here is WMI class that you may be looking for with all the hdd information

Win32_PhysicalMedia[^]

I hope it helps..

Regards,
Sandip.

Re: getting hard disk name

Le@rner24-Sep-08 20:25

Re: getting hard disk name

24-Sep-08 20:25

try this::

http://www.codeproject.com/KB/system/system_information.aspx[^]

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

Madan Chauhan24-Sep-08 21:09

Madan Chauhan

24-Sep-08 21:09

Try Win32_DiskDrive Class. It returns all the details of your Hard drive.

Change Background colour of Group boxes

Dhiraj kumar Saini24-Sep-08 18:54

24-Sep-08 18:54

Hi,

I have a child dialog over a parent dialog on which i am using three Group Boxes.
What I want to achieve is to change the Background colour of all three group boxes with different colours. I am using MFC.

kindly help me.

Thanks & Regards.

Dhiraj

Hamid_RT24-Sep-08 19:22

Hamid_RT

24-Sep-08 19:22

See WM_CTLCOLOR.

_AnsHUMAN_ 24-Sep-08 20:57

_AnsHUMAN_

24-Sep-08 20:57

Just as a query, you would be returning a different color brush from WM_CTLCOLOR in case the control is a group box. But this would only paint the area behind the caption of the group box. The OP wants to fill the background of the group box, if my understanding is correct.

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Dhiraj kumar Saini24-Sep-08 21:03

24-Sep-08 21:03

yes i want to fill the background colour that to of three different group boxes with three different colours.
Please tell me how to do it.

_AnsHUMAN_ 24-Sep-08 21:38

_AnsHUMAN_

24-Sep-08 21:38

Did you see here?[^] and here

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Dhiraj kumar Saini24-Sep-08 23:25

24-Sep-08 23:25

The articles are good but not good enough to solve my problem.

Is there any way else i can do it.

Thanks

_AnsHUMAN_ 24-Sep-08 23:40

_AnsHUMAN_

24-Sep-08 23:40

Dhiraj kumar Saini wrote:
The articles are good but not good enough to solve my problem.

Why? don't they fit to your need. You can extract the code for painting the group box background? or do you need some code that you can directly use... Sniff | :^)

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Dhiraj kumar Saini24-Sep-08 23:57

How can find weekday name?

24-Sep-08 23:57

The problem here is that the static labels which i am having as a part of the GroupBox is either appearing without their background color changed.
In some cases the static labels are hidden as the group box is being repainted.

Thanks

Dhiraj kumar Saini

Le@rner24-Sep-08 18:27