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I would suggest to write it as a COM dll. Its easy as starting an ATL COM project and wrapping the functionalities in co-class. COM components are easy to use in C# projects just by adding a reference. then no more dll import codes needed.
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I am sorry if this query is off-topic here; please tell me the correct place for it. I use Visual C++; before that I used Borland C++ 4.51. Programs need a help (a file with extension .HLP); for a long time I used a help-maker program which made .HLP helps in the old style which Microsoft does not support now. If I call a new commercially-written Windows application, and call its help, the help comes in a new format and will not read old-type .HLP helps. So far since the change of help system I have been making my new programs' helps as plain .TXT files or suchlike. Please:-
(1) Where is a program to make helps in the new format?
(2) Where is a program to translate an old-type .HLP into a new-type help file?
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Anthony Appleyard wrote: (1) Where is a program to make helps in the new format?
(2) Where is a program to translate an old-type .HLP into a new-type help file?
1) You can use any help authoring tool capable of generating CHM-files (HTML help), see Wikipedia.
2) Performing a quick Google search... there are a couple of tools available, see convert HLP CHM.
It's weekend, yay! 
/M
PS: Users don't like reading documentation, don't spend too much time on it.
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Thanks.
If s is a char* -type variable containing the name of a *.chm-type file, please how do I call it as a help file?
With the old help I used a format like:
case _HELP_: WinHelp(wn,PROGNAME".HLP",HELP_CONTENTS,0); goto DEF;
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In my form, I have a DateTimeControl where user can pick the date from the dropdown calendar or can type in the mm, dd, yyyy values from the keyboard. I need to perform few things once user completes editing and tabs out from the DateTimeControl. I tried the belwo options, but none of them are hit when the control is losing focus:
1. ON_CONTROL_RANGE(WM_KILLFOCUS, DLG_CTRLBASE, DLG_CTRLBASE + DLG_MAXITEMS_CTRL, OnFormKillFocus)
and
2. ON_NOTIFY_RANGE(WM_KILLFOCUS, DLG_CTRLBASE, DLG_CTRLBASE + DLG_MAXITEMS_CTRL, OnFormKillFocus)
As, DateTimeControl doesn't have any separate KILLFOCUS notification (I believe), I am trying with WM_KILLFOCUS.
Can anyone help me with suggestions/alternatives,
Thanks in advance,
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How to implement the zoom in/out on Ctrl + mouse wheel scroll functionalities of IE browser in CHtmlView?
Any ideas would be highly appreciable..
Regards
--
"Programming is an art that fights back!"
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CHtmlView exposes all the functions of IWebBrowser2 interfce of WebBrowser activeX control, which it uses to browse the webpages. Its ExecWeb method is meant to control the commands such as SelectAll, Find, Zoom etc of IE.
CHtmlView::ExecWB
IWebBrowser2::ExecWB Method
see OLECMDID_ZOOM member of OLECMDID Enumeration
hope it helps.
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use OLECMDID_OPTICAL_ZOOM. define it as 63 if you get compile error.
CComVariant vZoom((int)dZoomFactor);
m_HTMLCtrl.ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM, OLECMDEXECOPT_DODEFAULT, &vZoom, NULL);
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Hi,
I am developing serial port communication but i have a problem
while sending and receiving at the same time from the serial port.
how to do the synchronization while sending and receving
data from the serial port.
I have a recevie thread (infinite loop thread )
whenever data is coming from that thread i will update that thread.
When sending from the same port its giving problem.?
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there isn't sufficient information here to offer any real help. Except for this:
When software handshaking is not used (i.e. there is no handshaking at all, or handshaking is handled through hardware lines), then sending and receiving are completely separate operations that do not interfere with each other (except probably at the functional level of your peripheral, which upon receiving a command is likely to send a response).
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Is it possible to export a static function in an exe using "declspec(dllexport)"?
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in order to be exported or imported from a dll/exe, a function should have external linkage. When we declare a function, by default it gets extern storage. but a static function doesn't gets external linkage so declaring it as __declspec(..) will give error.
Also no way to use more than one storage specifiers at declaration.
modified on Friday, August 13, 2010 10:02 AM
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This is a contradiction. You cannot export a something which is explicitely declared to be local (static).
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Hi,
Im using LoadLibrary function to load a dll.To call a function,we will use GetProcAddress.But how to assign a value to a variable in that dll. Can anyone pls help me?
Thanks,
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Maybe this would help:
#pragma data_seg (".commondata")
extern =
#pragma data_seg ()
For more information, look here[^].
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The documentation[^] says:
GetProcAddress Function
Retrieves the address of an exported function or variable from the specified dynamic-link library (DLL).
...
So you probnably can access exported variables the same way as functions.
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> "It doesn't work, fix it" does not qualify as a bug report. <
> Amazing what new features none of the programmers working on the project ever heard of you can learn about when reading what the marketing guys wrote about it. <
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Why don't you define an accessor function in the DLL?
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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The dll is given by some vendor. Just im using that one. I cant define functions in dll.
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OK.
As side note, it is really strange that the vendor exposes a DLL's variable.
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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After linking C++ project with specific .libs and when I run it, how does a system find the corresponding DLLs if they are not in the same directory?
There should be some rules for that, as far as I know.
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I believe the answer is right here[^] in a document titled Dynamic-Link Library Search Order.
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Thank you. I have been looking precisely for this.
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Most of the search rules are explained here[^].
Chris Meech
I am Canadian. [heard in a local bar]
In theory there is no difference between theory and practice. In practice there is. [Yogi Berra]
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I am writing a function pointer for a static member function and i am getting a C 2159 : ore than one storage class specified.
typedef static A* (*CreateInstance)();
When i build i get the error . Please let me know what i am doing wrong!!!!
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