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try muParser.. i love it.. just do googling...
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Looks interesting, thank you for signaling.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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thanks but that's a formula parser, but I want a c++ equation solver parser
www.logicsims.ir
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Ups, I didn't notice  ...sorry...
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Hello,
I have an MFC "windows explorer style" application, which consists of a slitter window, the right pane of which displays a CFrameWnd that may display one of several CFormViews. I've noticed a particular behaviour that this application exhibits - if someone could explain this to me, or at least tell me what the name of this phenomenon is, perhaps I could solve a particular subtle though annoying usability issue.
I fake being able to tab between views (panes of a splitter window) by calling SetFocus on a pointer to the view in the right pane from the left view, and the view in the left frame from the right view. Whenever I spawn a modal dialog, whatever widget happens to have focus in the CFormView at that time will subsequently get the focus *first* when the entire CFormView goes out of focus and subsequently goes back into focus through a call to SetFocus(), even though it may not be the first in the tab order.
If, for example, a row of a CListCtrl is focused, when I SetFocus to the other view, focus won't go back to the CListCtrl when I once again give focus to the CListCtrl's parent (the row will remain grey) - it will go to the first widget of the tab order. If, however, I spawn a modal dialog while the row of the CListCtrl is focused, and subsequently SetFocus somewhere else, when I once again give the CListCtrl's parent view focus(also through SetFocus() ), focus immediately goes to the CListCtrl, bypassing all the other widgets that are earlier in the tab order.
I think that there is some other concept related to, but distinct from focus in play here - the widget that has focus at the time of the modal dialog's spawning gets "Activation" or something like that, causing focus to return to it rather than the first widget in the tab order of the parent View.
There is a blog post that I think touches on these issues:
http://blogs.msdn.com/oldnewthing/archive/2004/08/02/205624.aspx[^]
The solution the author proposes (for modeless dialogs rather than CFormViews) is to send the WM_NEXTDLGCTL message. CFormView doesn't have a handler for this message, so this doesn't apply here.
What is the name of this "Activation" I have described? How can I prevent this "Activation" from occuring, so that focus always goes to the first widget in the tab order?
If one of you could offer help, that would certainly be appreciated, because I'm really at my wit's end!
Thanks,
Sternocera
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--- core.h
typedef struct COLOREDVERTEX
{
D3DXVECTOR3 positon;
DWORD color;
}ColoredVertex;
-- guiObject2D.h
class guiObject2D{
ColoredVertex rect;
};
i get errors
Error 1 error C2146: syntax error : missing ';' before identifier 'rect' \guiObject2D.h 8 <br />
Error 2 error C4430: missing type specifier - int assumed. Note: C++ does not support default-int \guiObject2D.h 8 <br />
Error 3 error C4430: missing type specifier - int assumed. Note: C++ does not support default-int \guiObject2D.h 8
also i right click over ColoredVertex, on the context menu "Go to definition", i get "The symbol 'ColoredVertex' is not defined"
what must i do?
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Possibly core.h isn't included before guiObject2D.h.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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no, i have already included. i wonder is there any configuration about my problem?
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darkonoid wrote: no, i have already included
Sure?
Have you included core.h before guiObject2D.h in all of the source files that include the latter?
Have you issued a 'rebuild all' command?
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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in my all files i have included firstly "core.h" and rebuilt in many times.
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Usually Visual Studio reports the source file the error occurred in. Could you check out such a info?
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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i give up to try. i use another project and including my files in it. thanks for your interest.
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Hello everyone,
I am thinking when we should use the typelib id? The only case is when we use the typelib id to load a type library when calling LoadTypeLib. Any other cases when we need to use typelib id?
thanks in advance,
George
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Hi
I have a CString containing the hexidecimal handle to a window.
For example 00010AC2.
I want to obtain an actual HWND from it to pass to a function.
Transmit(HWND hWindow, ...other variales ).
So please how do I convert this hexidecimal CString into a HWND type?
Many thanks for your time.
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CAnt you use of Findowindow for get handle?
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CString szMyString = _T("00010AC2");
TCHAR *szStop;
HWND hWnd = (HWND) _tcstol(szMyString, &szStop,16);
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Thank you soo much. Works beautifully!!
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You're welcome.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Please reffer to 5 or 6 previous message and answer me ... I got your question and replied you
modified on Sunday, September 14, 2008 5:55 AM
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First of all, please have a little patience.
These guys will answer you in their own time - they may be busy or away, and it is a Sunday. They, like all the other members on this site, are answering your questions voluntarily, and they have no obligation to do so, and are not being paid to do so either, so please show a little bit of respect and be thankful for the help they've already given you.
They will answer you in their own time if they have an answer to your questions.
Regards,
--Perspx
Don't trust a computer you can't throw out a window
-- Steve Wozniak
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Thank you.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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No worries
Regards,
--Perspx
Don't trust a computer you can't throw out a window
-- Steve Wozniak
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Thank you from me as well
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://www.codeproject.com/script/Forums/Images/coffee.gif)
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Your welcome
Regards,
--Perspx
Don't trust a computer you can't throw out a window
-- Steve Wozniak
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