C / C++ / MFC

harsha_123420-Nov-06 23:09

harsha_1234

20-Nov-06 23:09

I have done it this way but still it shows the menu
at same position.

Mila02520-Nov-06 23:31

Mila025

20-Nov-06 23:31

Try GetMessagePos():
...
point = (CPoint) GetMessagePos();
tree->ScreenToClient(&point);

In my case works fine.

-----------
Mila

harsha_123421-Nov-06 1:03

harsha_1234

21-Nov-06 1:03

void CTreeViewDlg::OnNMRclickTree1(NMHDR *pNMHDR, LRESULT *pResult)
{
CPoint ptMouse;
DWORD dwPos;
UINT nFlags;
CTreeCtrl *pTreeCtrl;
pTreeCtrl = (CTreeCtrl *)GetDlgItem(IDC_TREE1);
{
dwPos = ::GetMessagePos();
ptMouse.x = LOWORD (dwPos);
ptMouse.y = HIWORD (dwPos);
CPoint ptAction = ptMouse;
// convert coordinates
pTreeCtrl->ScreenToClient(&ptAction);
// determine if click is on tree item
HTREEITEM hItemRClick = pTreeCtrl->HitTest(ptAction, &nFlags);
// if click is on tree item,
if (hItemRClick != NULL)
{
// set selection to right+clicked item
pTreeCtrl->SelectItem(hItemRClick);
HMENU hMenu = LoadMenu(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MENU1));
if(hMenu)
{
hMenu = GetSubMenu(hMenu,1);
if(hMenu)
{
TrackPopupMenu(hMenu,0,ptMouse.x,ptMouse.y,0,pTreeCtrl->m_hWnd,NULL);
}
}
}
}
*pResult = 0;
}
i have done something like this

Noe the pop up menu is poping up
but whenever i click on something it does not go to respective
handler!!

Thanks and regards
Harshal

Open file and recent files in MFC

Viorel.20-Nov-06 23:13

Viorel.

20-Nov-06 23:13

I think the pNMHDR argument of your handler actually does not point to NMTREEVIEW structure. (See the documentation of NM_RCLICK in case of tree controls). But you can obtain the current cursor position using GetCursorPos function:

CPoint point;
GetCursorPosition(&point);

I hope this helps.

includeh1020-Nov-06 22:40

includeh10

20-Nov-06 22:40

2 questions

(1)how to get difference when user loads a file from "Open file" and "Recent fil" - or, how to know if user clicks a "Recent file" rather than "Open file"?
In my app, I used a setteing (or check register) to record "recent files", I think it is not a good way.

(2)how to change maximum allowed count of "recent files"?

Re: Open file and recent files in MFC

XtremDev20-Nov-06 22:51

XtremDev

20-Nov-06 22:51

1 => the function AddToRecentFileList of the application is automatically called by the document to complete the MRU (Most Recent Files) file list

when the application open a MRU file, the function OnOpenRecentFile is called by the application class

2 => in your class application::InitInstance there's the fuction LoadStdProfileSettings(5) which is called. This define the number of MRU

Application hibernation [modified]

SelvaKr20-Nov-06 21:47

20-Nov-06 21:47

Hi,

I have a requirement to keep an application alive even after an user logs off. i.e When the second user logs in, the applications that are opened by the first user should remain open. Is there any way to do this? As our appication would take more time to shutdown and startup we dont want to close it while log off.

Can anybody help me out in resolving this... Smile | :)

An another thing i dont want run my application as a service Frown | :(

...

Is it possible to hibernate the application and wake up when the next user logs in?
Can anybody tell me the concept of Identity Switching? Can this be employed to solve this issue?

What happens when the Switch user is being called in Windows XP? Is there any API to accomplish this task?

Platform : Windows

Thanks,
Selva

-- modified at 4:25 Tuesday 21st November, 2006

~ Selva

Ștefan-Mihai MOGA20-Nov-06 21:52

Ștefan-Mihai MOGA

20-Nov-06 21:52

SelvaKr wrote:
to keep an application alive even after an user logs off. i.e When the second user logs in, the applications that are opened by the first user should remain open

I think you need to wrote a windows service application. Good luck!

SelvaKr20-Nov-06 21:56

20-Nov-06 21:56

Thanks for your reply Moga...

But i dont want to keep my app as a service...Any other way apart from this...

Is there any other way like XP's hibernation technique or only changing the user identities ....

Thanks.

~ Selva

Christian Graus20-Nov-06 21:59

Christian Graus

20-Nov-06 21:59

If you detect that your app is being closed, and store it's state to a local file, you can read it again when the app opens. You would have to do something fairly funky for it to work like hibernation.

Christian Graus - C++ MVP

SelvaKr20-Nov-06 22:07

20-Nov-06 22:07

Hi Graus,

Thanks for your reply.

But this approach will again require all my supporting dlls to load again which will lead in time consumption again Frown | :-(

Or is it possible to switch the identities of all the running applications instead of logoff/login. Will it change the user privilege of windows too?

Thanks.

~ Selva

Christian Graus20-Nov-06 22:10

Christian Graus

20-Nov-06 22:10

SelvaKr wrote:
Or is it possible to switch the identities of all the running applications instead of logoff/login. Will it change the user privilege of windows too?

No, that's not going to work.

Christian Graus - C++ MVP

Michael Dunn20-Nov-06 22:11

Michael Dunn

20-Nov-06 22:11

SelvaKr wrote:
An another thing i dont want run my application as a service

Why not? A service is exactly the solution to what you're asking.

SelvaKr wrote:
Is it possible to hibernate the application and wake up when the next user logs in?

Why build your own keep-alive system when the OS already has one? I suppose you could make your app persist its state to a file, then read it back in on the next launch. But then it's not actually running after logoff.

--Mike--
Visual C++ MVP Cool | :cool:

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XtremDev20-Nov-06 22:14

XtremDev

20-Nov-06 22:14

Did you try to add a key in the following registry path "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" to automatically start your application for all users ?

SelvaKr20-Nov-06 22:19

20-Nov-06 22:19

Thanks for your reply..

But my app should not be closed while logoff..

I dont want to start it for each login since it would take more time to load.

~ Selva

XtremDev20-Nov-06 22:23

XtremDev

20-Nov-06 22:23

I see 2 solutions :

- Create a service : I know that you dont want to do this...but a service is not closed on logoff
- Use the Run Registry Key to launch your app for each logon and optimize the applicatino loading

SelvaKr20-Nov-06 22:27