C / C++ / MFC

Re: Decimal places in edit boxes.

22-Mar-02 2:26

You can't achieve this with DDX. You'll have to format strings manually (with CString::Format, for example) and display them in edit boxes with SetDlgItemText or SetWindowText.

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Carlos Antollini22-Mar-02 2:28

Carlos Antollini

22-Mar-02 2:28

Use the CString::Format function, with the correct Format Specification, that force to Display de Ceros....

Regards

Carlos Antollini.
Sonork ID 100.10529 cantollini

edit box/text in toolbar

Rajveer22-Mar-02 2:14

Rajveer

22-Mar-02 2:14

How can I place an edit box or text on the toolbar? I'm writing a 3D graphics program and I want to display the rotation angle (which is continuously changing) on the toolbar as the object rotates.

Re: edit box/text in toolbar

Carlos Antollini22-Mar-02 2:20

Carlos Antollini

22-Mar-02 2:20

You need to create a DialogBar
Project/Add To Project/Compnents and Controls Gallery/Visual c++ Controls then select Dialog Bar

Reagards..

Carlos Antollini.
Sonork ID 100.10529 cantollini

Bring a window to the front

NikoTanghe22-Mar-02 2:06

NikoTanghe

22-Mar-02 2:06

I need to bring an app to the foreground when some event has occured.
I've come up with the following code so far:

//in a CDialog

if(this != GetActiveWindow())
{
if(this->IsIconic())
this->ShowWindow(SW_RESTORE);
else
{
this->SetForegroundWindow();
this->SetActiveWindow();

DWORD dwVersion;
dwVersion = GetVersion();

if(dwVersion < 0x80000000 && (DWORD)(LOBYTE(LOWORD(dwVersion))) >= 5)
{
//Win 2000
this->ShowWindow(SW_MINIMIZE);
this->ShowWindow(SW_RESTORE);
}
else
//NT 4.0
this->ShowWindow(SW_SHOW);
}
}

This is not preferrable, imagine the following situation (in Windows 2000):
The window is 100% visible but the focus is set to the desktop. When the event occurs the window is minimized and showed again (with the animation!)
Not minimizing the window results in some flashing in the taskbar.

Any ideas to solve this ?
Thanks in advance

Greetings,

Niko

How to run the "services" cpl using "ShellExecute" or "CreateProcess" ?

22-Mar-02 1:33

How to run the "services" cpl using "ShellExecute" or "CreateProcess" ?
thanx Rose | [Rose]

Re: How to run the "services" cpl using "ShellExecute" or "CreateProcess" ?

Tomasz Sowinski22-Mar-02 1:51

22-Mar-02 1:51

Check KB article Q135068. Basically, to launch control panel applets you need to call rundll32.

BTW: on 2K/XP services are no longer in Control Panel - they are launched in Management Console instead.

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Associative Arrays?

Jon Hulatt22-Mar-02 1:09

22-Mar-02 1:09

Hi,

I want to implement an object that can look up a string in a table and return an integer based on that string. Is there a nice MFC class to do this for me?

jon

Sorry to dissapoint you all with my lack of a witty or poignant signature.

Tomasz Sowinski22-Mar-02 1:21

22-Mar-02 1:21

If you insist on MFC, use CMapStringToPtr. Pointers are just integers.

You may also consider std::map.

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Jon Hulatt22-Mar-02 2:58

22-Mar-02 2:58

tsk. Tomasz, you just made me use STL for the first time. I lost my STL virginity.

I'm somewhat suspicious of STL though. My (test,experimental) program worked first time. Whats that all about??!?!

FYI, so you can rip it to pieces (and I know you're gonna hate the CString):

std::map<CString,int> l;
map <CString, int> :: const_iterator matching_item;

l.insert( map <CString, int> :: value_type ( CString("bob"), 20 ));
l.insert( map <CString, int> :: value_type ( CString("alf"), 23 ));
l.insert( map <CString, int> :: value_type ( CString("fred"), 19 ));
l.insert( map <CString, int> :: value_type ( CString("steve"), 12 ));
l.insert( map <CString, int> :: value_type ( CString("stu"), 45 ));
l.insert( map <CString, int> :: value_type ( CString("jon"), 2 ));
l.insert( map <CString, int> :: value_type ( CString("jim"), 543 ));

matching_item  = l.find ( CString("jon"));
int d = matching_item->second;

thanks for your help!

Sorry to dissapoint you all with my lack of a witty or poignant signature.

Jon Hulatt22-Mar-02 2:59

22-Mar-02 2:59

Am i right in thinking that I can use any of my own defined classes in STL? provided I include things like comparison operators, etc etc ??

Sorry to dissapoint you all with my lack of a witty or poignant signature.

Tomasz Sowinski22-Mar-02 3:00

22-Mar-02 3:00

Yes. AFAIR, std::map requires only operator < - it's actually a tree, while MFC maps are hashtables.

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Tomasz Sowinski22-Mar-02 3:04

22-Mar-02 3:04

Jon Hulatt wrote:
know you're gonna hate the CString

I'm not going to hate CString. If something works, let it work Smile | :)

Just FYI, STL has the std::string class.

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Jon Hulatt22-Mar-02 3:32

22-Mar-02 3:32

Tomasz Sowinski wrote:
Just FYI, STL has the std::string class

This much I know. But the app is heavily MFC right now; CFile, CStdioFile, CAsyncSocket, etc etc.

What i'm using the map for is to turn mime-type strings into default file extensions. I'm now using a <CString,CString>> pair for the map, the first is the type (eg. CString("application/x-msword")) and the second is the default file extension (eg. CString("doc")). My source data, which ultimately came from a Socket, is currently in a big char buffer. But I can't see that std::map<LPCSTR,LPSTR> would do what i wanted, because two pointers to "application/x-msword" point to the same data, but probably in different places, so the internal comparisons won't work.

Really, I probably should never have used char buffers. But I understand them, whereas this STL thing is new to me (i've avoided it for as long as possible!!!). So, in the short term for this project, since it's use of MFC already means it runs like a lubricated turd, I might as well just make life easier by creating a CString out of my LPCSTR.

Smile | :)

thanks again

Sorry to dissapoint you all with my lack of a witty or poignant signature.

Christian Graus22-Mar-02 10:29

Christian Graus

22-Mar-02 10:29

Jon Hulatt wrote:
I'm somewhat suspicious of STL though. My (test,experimental) program worked first time. Whats that all about??!?!

I think I found my new sig.

I'll just mention that it's easier to insert into a map like this:

l[CString("bob")] = 20;
l[CString("alf")] = 23;

You can also extract like this, but the downside is if the item you try to extract does not exist, it will be created, so you need to do this:

if (l.end() != l.find(Cstring("bob")))
assert(20 == l[CString("bob")]);

You've inspired me, I'll finally pull it together and write my set/map article today.

P.S. when you post STL code or anything else that uses templates, don't forget to turn off HTML in the post, so all the code is posted.

Christian

The tragedy of cyberspace - that so much can travel so far, and yet mean so little.

"I'm thinking of getting married for companionship and so I have someone to cook and clean." - Martin Marvinski, 6/3/2002

Confused by WM_SIZING

Hans Ruck22-Mar-02 1:02

Hans Ruck

22-Mar-02 1:02

Could anyone give some indication about interpreting the nSide parameter of OnSizing (WM_SIZING) in a MFC application?
It looks like taking random values.

rechi

Tomasz Sowinski22-Mar-02 1:37

22-Mar-02 1:37

Works as advertised on my machine. Are you getting values other than WMSZ_xxx flags?

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **

Hans Ruck22-Mar-02 1:45

Hans Ruck

22-Mar-02 1:45

I get WMSZ_xxx flags in strange combinations.
For example, i use top-right corner to resize and i get WMSZ_BOTTOMLEFT activated. It doesn't have any sense for me.

rechi

Tomasz Sowinski22-Mar-02 1:54

22-Mar-02 1:54

Strange. I can't reproduce it here. Did you override WM_NCHITTEST?

Tomasz Sowinski -- http://www.shooltz.com
** If you're going to rape, pillage and burn, be sure to do things in that order. **