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Tadeusz Jordan
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 Posted: Sun May 13, 2007 6:17 am Post subject: MFC question |
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Hello. I am trying to learn MFC but here is the question for which I was
unable to find the answer. Given this class definition:
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {
What does it exactly do? CMainFrame derives from OnCreate class? What do
arguments of the OnCreate class do?
I would appreciate any help.
Sincerely,
Tadeusz |
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kingfox
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| Posted: Sun May 13, 2007 6:41 am Post subject: Re: MFC question |
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On 5月13日, 上午9时17分, "Tadeusz Jordan" <t...@poczta.onet.pl> wrote:
| Quote: | Hello. I am trying to learn MFC but here is the question for which I was
unable to find the answer. Given this class definition:
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {
What does it exactly do? CMainFrame derives from OnCreate class? What do
arguments of the OnCreate class do?
I would appreciate any help.
Sincerely,
Tadeusz
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You should post this topic to a MFC group: microsoft.public.vc.mfc |
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Phlip
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| Posted: Sun May 13, 2007 9:11 am Post subject: Re: MFC question |
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| Quote: | int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {
What does it exactly do? CMainFrame derives from OnCreate class?
You should post this topic to a MFC group: microsoft.public.vc.mfc
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In this case, the original poster should back off of MFC and then learn C++
from scratch. Nothing in the MFC documentation will assume you don't know
C++. Write simple console programs first...
....or switch to a softer language, such as HTML or Visual Basic, if you just
want to create a window with some buttons on it.
--
Phlip
http://flea.sourceforge.net/PiglegToo_1.html |
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Massimo
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| Posted: Sun May 13, 2007 9:11 am Post subject: Re: MFC question |
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"Tadeusz Jordan" <tedjj (AT) poczta (DOT) onet.pl> ha scritto nel messaggio
news:f25p14$gki$1 (AT) news (DOT) onet.pl...
| Quote: | Hello. I am trying to learn MFC but here is the question for which I was
unable to find the answer. Given this class definition:
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {
What does it exactly do? CMainFrame derives from OnCreate class?
What do arguments of the OnCreate class do?
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You should *definitely* learn C++ before trying to learn MFC.
An then, you really shouldn't be learning MFC, as it's quite an obsolete
technology; there are much better ones around now.
Anyway, "int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)" means
that's the OnCreate() method of the CMainFrame class, and it takes a
LPCREATESTRUCT as its first and only argument, returning an int upon
completion.
Massimo |
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Massimo
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| Posted: Sun May 13, 2007 9:11 am Post subject: Re: MFC question |
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"Massimo" <barone (AT) mclink (DOT) it> ha scritto nel messaggio
news:f266j0$2o6c$1 (AT) newsreader1 (DOT) mclink.it...
| Quote: | Anyway, "int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)"
means that's the OnCreate() method of the CMainFrame class, and it takes
a LPCREATESTRUCT as its first and only argument, returning an int upon
completion.
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Addendum: based on the Hungarian notation which is often used in Windows
programming, I can guess LPCREATESTRUCT is a Long Pointer (LP) to a
CreateStruct data type; so it's probably a pointer to a library-defined data
structure you must supply in order for the method to use it.
That "OnCreate()" is definitely *not* a class definition: it's the
implementation of a method declared in the class CMainFrame, which, I'm
again guessing, is a user-defined frame class, derived from some kind of
super-frame-class declared in the MFC library.
Massimo |
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