C / C++ / MFC Discussion Boards

susanne128-Aug-08 2:12

28-Aug-08 2:12

Hi everybody, iam trying to prevent the user from resizing, maximizing and minimizing a FormView window by using : OnSize and OnSizing functions, but it did not work? can somebody help? Thansk in advance

Re: Visual C++6

onlyjaypatel28-Aug-08 2:19

onlyjaypatel

28-Aug-08 2:19

U r using Mdi Application ?
Than Override OnSize in CChildFrm and you will get the functionality.

Re: Visual C++6

Nibu babu thomas28-Aug-08 2:46

Nibu babu thomas

28-Aug-08 2:46

susanne1 wrote:
Hi everybody, iam trying to prevent the user from resizing, maximizing and minimizing a FormView window by using : OnSize and OnSizing functions, but it did not work? can somebody help? Thansk in advance

You can handle WM_GETMINMAXINFO or in MFC add a message map entry called
ON_WM_GETMINMAXINFO and function prototype looks like this ...
afx_msg void OnGetMinMaxInfo( MINMAXINFO FAR* lpMMI );

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

Re: Visual C++6

Jijo.Raj28-Aug-08 2:51

Jijo.Raj

28-Aug-08 2:51

For disabling window resizing you've to handle WM_GETMINMAXINFO message. Check this [^]for code snippet.

Regards,
Jijo.

_____________________________________________________

http://weseetips.com[^] Visual C++ tips and tricks. Updated daily.

Re: Visual C++6

susanne128-Aug-08 3:17

susanne1

28-Aug-08 3:17

Hi Jijo, thanks for your reply, i used WM_GETMINMAXINFO message but it did not work(visual studio does
not come to it) Frown | :-(

Any idea why?

Thanks

Re: Visual C++6

David Crow28-Aug-08 3:27

David Crow

28-Aug-08 3:27

susanne1 wrote:
Any idea why?

Without seeing your code, it's going to be hard to say for sure. Did you use ClassWizard to create the handler function for it, or did you try to implement the function manually?

"Love people and use things, not love things and use people." - Unknown

"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch

Re: Visual C++6

Jijo.Raj28-Aug-08 3:29

Jijo.Raj

28-Aug-08 3:29

Whether its MDI/SDI? And you're trying to restrict that of a child view?

Regards,
Jijo.

_____________________________________________________

http://weseetips.com[^] Visual C++ tips and tricks. Updated daily.

Re: Visual C++6

super_ttd28-Aug-08 7:33

super_ttd

28-Aug-08 7:33

susanne1 wrote:
Subject:Visual C++6

susanne1 wrote:
iam trying to prevent the user from resizing, maximizing and minimizing a FormView window

So your question is not about Visual C++ 6, is it ?

Re: Visual C++6

susanne128-Aug-08 21:26

susanne1

28-Aug-08 21:26

sure it is about VC++6 / MFC

Re: Visual C++6

super_ttd30-Aug-08 23:29

super_ttd

30-Aug-08 23:29

are you on crack ?

when you ask a question, the topic has to be specific, and not talk about the TOOL you're compiling your code with ! D'Oh! | :doh:

CListCTrl Hyperlink Problem

Dhiraj kumar Saini28-Aug-08 2:03

Dhiraj kumar Saini

28-Aug-08 2:03

Hi,

I am using ClistCtrl Control with two column one displays the URL and the other displays the time.
I want that the url should appear as a hyperlink rather than a normal text and on clicking it the specified url should open in a browser

The code is as follows:

void CGetFootDlg::GetFootPrintURL(int n,CString strResponseFootPrints,CString g_strDelimFLD)
{
if(n>-1)
{
if(strResponseFootPrints.IsEmpty())
return;
CStringArray* ptrstrArray = CParser::Parse(strResponseFootPrints,g_strDelimFLD);

int j=ptrstrArray->GetSize()-1;
TCHAR szName[] = _T("Sandra C. Anschwitz");
::IsWindow(m_lstGetFootPrints.m_hWnd);
for(int i=0; i<ptrstrarray->GetSize(); i++)
{
LV_ITEM lvItem;
ZeroMemory(&lvItem, sizeof(LVITEM));
lvItem.mask = LVIF_TEXT;
lvItem.iSubItem = 0;
lvItem.iItem = i;
lvItem.pszText = szName;
lvItem.iImage = 0;

int nItem=m_lstGetFootPrints.InsertItem(i,szName);
int start=0,end=0,len;
CString str,strFPurl,strFDuration;
str=ptrstrArray->GetAt(i);
strFPurl=strFDuration=str;
len=str.GetLength();
end=strFPurl.Find(' ',0);
strFPurl=strFPurl.Mid(0,end);
start=strFDuration.Find(':',end+1);
strFDuration=strFDuration.Mid(start+1,len-1);

m_lstGetFootPrints.SetItemText(nItem,0,strFPurl);
m_lstGetFootPrints.SetItemText(nItem,1,strFDuration);
}
}
}

Can anyone help me.
Thanks

Dhiraj Kumar Saini

Re: CListCTrl Hyperlink Problem

Nibu babu thomas28-Aug-08 2:40

Nibu babu thomas

28-Aug-08 2:40

Dhiraj kumar Saini wrote:
Can anyone help me.

Google[^] does sometimes help! Wink | ;)

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

Keyboard and Mouse State

Alan Chambers28-Aug-08 1:58

Alan Chambers

28-Aug-08 1:58

Hi all

I'm wanting to retrieve the current keyboard and mouse state without having to wait for an event message.

I basically have a main thread and a window thread. The window thread handles the windows message pump so that if my app locks up, it can still process close messages etc. The main thread is where I am wanting to do the device state reads.

Everything I've looked at so far (RAWINPUT, SetWindowsHookEx) rely on an event message being posted before I am able to read the state from the device. This is no good to me.

I've also looked at GetKeyboardState(..) but that only retrieves the keyboard state in the thread that is handling the windows messages, so calling it from the main thread does not work (but calling it from the window thread does).

I'm starting to think the only way is to get access to the device driver and directly read from the device.

Anyone know any decent articles on this?

Thanks,
Alan.

"When I left you I was but the learner, now I am the master" - Darth Vader

Re: Keyboard and Mouse State

Nibu babu thomas28-Aug-08 2:38

Nibu babu thomas

28-Aug-08 2:38

Alan Chambers wrote:
I've also looked at GetKeyboardState(..) but that only retrieves the keyboard state in the thread that is handling the windows messages, so calling it from the main thread does not work (but calling it from the window thread does).

Not sure because I have not used this function much, but anyway MSDN says this...

The status does not change as keyboard messages are posted to the thread's message queue, nor does it change as keyboard messages are posted to or retrieved from message queues of other threads. (Exception: Threads that are connected through AttachThreadInput share the same keyboard state.)

Does that help?

Nibu babu thomas
Microsoft MVP for VC++

Code must be written to be read, not by the compiler, but by another human being.

Programming Blog: http://nibuthomas.wordpress.com

Re: Keyboard and Mouse State

Alan Chambers28-Aug-08 4:09

Alan Chambers

28-Aug-08 4:09

Hi thanks for the reply, but it doesn't really help me. I've read the MSDN articles pretty thoroughly and that function basically only works on threads which have created a window using CreateWindow or CreateWindowEx and have a message pump. Since I've created the window on a separate thread, GetKeyboardState() only actually works if it's called within that threads loop, but it won't work on another thread unless AttachThreadInput() is used to share the message processing. However, AttachThreadInput() cannot be attached from or to the system thread (which is the one i'm using for my app) and in any case it would need to be a thread that has created a window and uses a windows message pump as well, which it does not.

Looks like what I'm after is quite low-level, raw device state reading functionality but all I'm seeing is Windows event driven solutions. There's got to be a way to bypass all this windows guff and read directly from whatever hardware is present..surely..?

Cheers for trying tho Smile | :)

Alan.

"When I left you I was but the learner, now I am the master" - Darth Vader

shared memeory concepts in windows

manju23reddy28-Aug-08 1:52

manju23reddy

28-Aug-08 1:52

hi
iam doing a project where it has 2 different apps
1. bluetooth app
2. device driver app.

both in c++.

now can i implement a shared memeory concept in (c++) windows where both the process should access a single place for the data.
if possible how to do it.

Re: shared memeory concepts in windows

Rajesh R Subramanian28-Aug-08 1:58

Rajesh R Subramanian

28-Aug-08 1:58

manju23reddy wrote:
shared memeory concepts

Actually, the jargon is IPC[^].

There are several ways mechanisms supported by windows to achieve IPC, one of which would be to use WM_COPYDATA[^]. Look up MSDN[^] for more details. You may also search for articles on individual topics at CP and Google. There are plenty of examples around.

Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal - Friedrich Nietzsche

.·´¯`·->Rajesh<-·´¯`·.
[Microsoft MVP - Visual C++]

Re: shared memeory concepts in windows

Jijo.Raj28-Aug-08 2:54

Jijo.Raj

28-Aug-08 2:54

If you are trying to exchange data between a device driver and a windows application, then this article[^] will be helpful.

Regards,
Jijo.

_____________________________________________________

http://weseetips.com[^] Visual C++ tips and tricks. Updated daily.

error calling in dll

VCProgrammer28-Aug-08 1:07

VCProgrammer

28-Aug-08 1:07

Hi all,

I have made a c# dll and i want to call that dll in my vc++ project.

I have copied my dll in debug folder and written these lines in my stdafx.h file

.\Debug\test.dll
using namespace test.lib

now when i am compiling my project its giving error

fatal error C1083: Cannot open type library file: '.\Debug\internet_connection.dll': Error loading type library/DLL.

How can i remove this?

tanks in advance

Re: error calling in dll

Mark Salsbery28-Aug-08 5:55

Mark Salsbery

28-Aug-08 5:55

I'm not sure what that uncompilable code is supposed to do.

You may want to look into articles like this:
An Overview of Managed/Unmanaged Code Interoperability[^]

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

Client-Server program

nisha0000028-Aug-08 0:49

nisha00000

28-Aug-08 0:49

Hi friends

I havnt knowledge with Client-server program i want to get the server system date to display in the client side ..please help me

Thanks and regards
nisha

Re: Client-Server program [modified]

onlyjaypatel28-Aug-08 1:27

onlyjaypatel

28-Aug-08 1:27

I dont think there is a direct function to get server time
So you have to implement a command to get time from the server.
User defined protocol.

modified on Thursday, August 28, 2008 7:37 AM

Re: Client-Server program

Jijo.Raj28-Aug-08 2:39

Jijo.Raj

28-Aug-08 2:39

Use Winsock to establish connection between your client and server machine so that you can exchange data between then. Design the server application to get current date and send it to client as data. This winsock tutorial[^] will be helpful.

Regards,
Jijo.

_____________________________________________________

http://weseetips.com[^] Visual C++ tips and tricks. Updated daily.

Re: Client-Server program

Hamid_RT28-Aug-08 23:06

Hamid_RT

28-Aug-08 23:06

I think Client Server Communication[^] is helpful for you.

Having problem in figuring out the logic (c++)

raesa28-Aug-08 0:35

raesa

28-Aug-08 0:35

Hi...i have a small problem and im finding difficult to figure proper algorithm for it, plse help me out.The probelm is explained below:

I have a data of a boundary formed by set of 3d(X,Y,Z) points in an array (each point has x,y,z cordinates) and I also have a new point data (x1,y1,z1).My problem is i have to find out if this new point falls with in the boundary of set of points.

I am not able to figure out proper logic for this.Can somebody help me out?
Plse do help me.

Thnx in advance.

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