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Hi Mike,
Thanks for taking the time to reply.
I've already got that macro in "class CMainDlg" in MainDlg.h. Does it need to be defined elsewhere ?
Have you managed to successfully compile and run the sample project I uploaded without any changes ?
BEGIN_MSG_MAP(CMainDlg)<br />
MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)<br />
COMMAND_ID_HANDLER(ID_APP_ABOUT, OnAppAbout)<br />
COMMAND_ID_HANDLER(IDOK, OnOK)<br />
COMMAND_ID_HANDLER(IDCANCEL, OnCancel)<br />
CHAIN_MSG_MAP(CDialogResize<CMainDlg> )<br />
END_MSG_MAP()
-- modified at 21:53 Tuesday 2nd May, 2006
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Go to resource view and change the border of IDD_MAINDLG to Resizing.
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Thanks hfry! It's working now.
You've saved me from insanity! 
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Thank you! I have tried several times over the last 15 years to get this to work and today I know why!
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Thank you! I have tried several times over the last 15 years to get this to work and today I know why!
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After investigating, I see that there was a breaking change from WTL 7.0 to 7.1. The third param to CDialogResize::DlgResize_Init() is styles to add to the window. This changed from WS_THICKFRAME|WS_CLIPCHILDREN to just WS_CLIPCHILDREN.
As the other post said, the best way is to set the dialog's border to Resizing in the resource editor. (Not doing that, even in WTL 7.0, creates a positioning glitch in XP with themes turned on.)
--Mike--
Visual C++ MVP 
LINKS~! Ericahist | PimpFish | CP SearchBar v3.0 | C++ Forum FAQ
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Thanks for taking the time to look into it Mike, and for providing an explanation of why it wasn't working. I have now done what hfry suggested and all is working fine now
It's not important for me now, but I'm sure anyone else who delves into CDialogResize would appreciate it if you updated both your WTL articles which mention CDialogResize to include this snippet of info.
1) Resizing Dialogs section of WTL for MFC Programmers, Part V - Advanced Dialog UI Classes
2) Using WTL's Built-in Dialog Resizing Class
Thanks again for your help. I can now continue development of my world beating, super efficient resizable About dialog 
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Hi to all,
i am using IHTMLButtonElementEvents2 interface. when i am going to compile , i am getting following error.
error LNK2001: unresolved external symbol _DIID_HTMLButtonElementEvents2
if someone having idea then reply.
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thanks,
but i tried with uuid.lib only,
which is also not working
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Try using __uuidof(HTMLButtonElementEvents2) instead.
Steve
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You can look and see what's inside a lib. Use the following command with the current directory in the lib folder:
dumpbin /LINKERMEMBER:1 UUID.LIB
I done this on MSVC6's "UUID.LIB" and it contains _DIID_HTMLButtonElementEvents but not _DIID_HTMLButtonElementEvents2.
When I done it on the February 2003 Platform SDK's "UUID.LIB" I found both _DIID_HTMLButtonElementEvents and _DIID_HTMLButtonElementEvents2.
This suggests you are compiling with the header files from one SDK (newer) but linking with the libraries of an older SDK. I'd check your include and library paths.
Steve
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How calculate line per page for printing ListCtrl Header on every Page
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First, you need a printer DC, which you can then use with GetDeviceCaps to determine (approximate) page size. From there, you select in the font you want to use. Then use GetTextMetrics to fill in a TEXTMETRIC, (specifically for tm.tmHeight) and then divide the page height by the line height. This will give you nLines, although you might want to adjust for your own margins etc.
Many moons ago I produced a series of "Print Object" classes, each of which represented some kind of output, and was capable of measuring and rendering to a DC based on their content, so I could do things like create a text print object with a specified width (in logical units), and it would then tell me how tall it needed to be (including any line wraps etc).
For things like print/print preview this is quite useful, as I could generate a complete set representing the data in my apps. In that way, knowing the number of pages and the exact layout becomes much simpler, even for relatively complex documents. I used it as the print-engine component for a series of billing applications, for instance.
Steve S
Developer for hire
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hello friends,
I want to perform some task if user does click on web page submit button from vc++ prog.
How will i find that user has clicked on button.
If anybody has idea then please reply.
Thanks
Harish.
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Hello !
I need to add menu bar to child MDI window derived from CMDIChildWindowImpl<cmychildframe, caxwindow="">
I tried to initialize CMDICommandBarCtrl m_CmdBar member of CMyChildFrame in OnCreate method, but it changes menu in MainFrame...
Please help me
Thanks.
sash
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hi,i met a problem to convert an unix timestamp to date.
how to work with this problem in c/c++ (not MFC).
e.g.
as to a given second number 123998001,what can i do to convert it to the date format like "day/month/year --:--:--"
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If it's a time_t (i.e. seconds since Jan 1st 1970, IIRC), then you want to use one of localtime or gmtime to get a structure containing deconstructed time and date information followed by sprintf to get the string you want.
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thank you,that's what i want. i have seen this type before, but didnt pay much attention.
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I am using VC2003 and working on a mfc project that includes ALT(i'm a beginer in ATL) and I encountered the folowing problem :
I have defined some properties
interface IATLDisplay : IDispatch{
// ..... more properties
// the next line is the one with the problem
[propget, id(2), helpstring("property GetLastChangeTime")] HRESULT GetLastChangeTime([out, retval] COleDateTime* pVal);
};
Upon compiling i get the folowing error message :
error MIDL2025 : syntax error : expecting a type specification near "COleDateTime" - error related to the above presented line
Any ideea why this apears ? do i need to import some aditional .idl file ?
Thanks for any help .
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COleDateTime is a MFC\ATL class and cannot be used in a idl file, you need to use DATE*.
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Hi ,
I am working on a C++ allocator class in shared memory(UNIX).
I can see that the allocator creates space for the object being pushed in the shared memory but the vector skeleton resides in the usual process address space(I mean in stack or in heap).
When i fork ,I get a copy of the vector and the shared segment in the child process . But any updations made by the child is now no longer visible to the parent process.
The psedo code is as follows:
if (fork()==0)
{
push new elements to the vector //child
}
else
{
shmdt(shared segment);
getchar();
shmat(sharedid);
Iterate vector in parent
}
In the above pseudo code , If i iterate in the parent I am not
able to see the changes in the parent.
Please suggest a solution to make the parent visible of whatever changes i make in the child.
Thanks in advance
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psbasha wrote: I am working on a C++ allocator class in shared memory(UNIX).
I don't mean to discourage you, but such an allocator already exists and is freely available. It was originally published at C/C++ Users Journal - if you look around, I am sure you'll be able to find the code.
My programming blahblahblah blog. If you ever find anything useful here, please let me know to remove it.
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Namanja is correct; implementations already exist. One such implementation is called Shmem and comes with the Boost librarys. Here are some links.
Shmem docs[^]
Boost[^]
It's free and multiplatform.
Steve
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