/////////////////////////////////////////////////////////////////////////////
-- OPC Quick Client Distributed Source Code Version --
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
INTRODUCTION:
/////////////////////////////////////////////////////////////////////////////
The source code provide here is for a slightly stripped down version of our
OPC Quick Client application. (None of the code removed is central to
understanding how to use OPC.) This application has been around for a few
years and is used extensively by our developers and testers - it's proven
code. In it, you will see how to browse OPC servers, connect to them, add
groups and items, and read and write data. OPC versions 1.0 and 2.0 are
both supported. You may borrow freely from this code to create your own
OPC client applications.
The workspace and project files were created using Microsoft Visual C++ 6.0.
Several project configurations are provided: Win32 Release, Win32 Debug,
Unicode Release, and Unicode Debug.
Before you dive into the code, it is recommended that you first familiarize
yourself with the OPC Specification. This information is contained in the
"Data Access Custom Interface Standard" document publicly available for
download from opcfoundation.org. It is also recommended that you be fairly
proficient with the C++ programming language, MFC, and COM.
Though a great deal of internal documentation is included in the code, you
may need to refer to the Microsoft Developer's Network (MSDN) documentation
for additional information on Windows specific functions, structures, and
MFC classes.
There is a one-to-one relationship between certain object in a server
and here in this client. For example, the client may maintain a CKGroup
object which is associated with an OPC Group object in a server. To
prevent confusion, objects on the server side are referred to as OPC <Objects>
and the associated objects on the client side are given by their class name,
which generally start with "CK" for Class Kepware, or simply "object".
When you begin examining the code, we suggest that you look at the COM
interface classes first: advisesink.cpp, datasink20.cpp, and
shutdownsink.cpp. From there, you should look at server.cpp, group.cpp,
then item.cpp. This covers all of the OPC stuff. Having done that, all
of the Windows GUI code will make more sense. Look at document.cpp first,
then the associated views: groupview.cpp, itemview.cpp, and eventview.cpp.
You can look at incidental dialog and property sheet classes and the
miscellaneous utility classes like those in editfilters.cpp as you go.
Markers used by the Visual C++ class wizard ("//{{AFX_VIRTUAL(CKDocument)",
"//{{AFX_DATA_MAP(CKServerEnumerateGroupsDlg)", etc.) are scattered
throughout the code. If you wish to make your "borrowed" code a bit more
"pretty", you can remove them. Just be aware that the class wizard will
no longer work if you do.
You will need to have the VC++ UNICODE libraries installed on your system
in order to build the application. These libraries are NOT installed by
default, so make sure you have them using the steps below:
1) Run the VC++ 6.0 install program and allow it to detect the components
installed on your system.
2) Click the "Add/Remove" button.
3) Select the "VC++ MFC and Template Libraries" item and click the "Change
Options" button.
4) Select the "MS Foundation Class Libraries" item and click the "Change
Options" button.
5) Make sure "Shared Libraries for UNICODE" is checked. You might also
want to check "Static Libraries for UNICODE" while you're at it,
though you won't need them to build the Quick Client project as is.
/////////////////////////////////////////////////////////////////////////////
LEGAL STUFF:
/////////////////////////////////////////////////////////////////////////////
This programming example is provided "AS IS". As such Kepware, Inc.
makes no claims to the worthiness of the code and does not warranty
the code to be error free. It is provided freely and can be used in
your own projects. If you do find this code useful, place a little
marketing plug for Kepware in your code. While we would love to help
every one who is trying to write a great OPC client application, the
uniqueness of every project and the limited number of hours in a day
simply prevents us from doing so. If you really find yourself in a
bind, please contact Kepware's technical support. We will not be able
to assist you with server related problems unless you are using KepServer
or KepServerEx.
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VC++开发的OPC客户端
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VC++开发的OPC客户端 (173个子文件)
opctestclient.aps 82KB
toolbar.bmp 1KB
groupimages.bmp 1KB
itemimages.bmp 630B
components.bmp 566B
checkboxes.bmp 418B
eventimages.bmp 374B
deleteitemgray.bmp 238B
previous.bmp 238B
previousgray.bmp 238B
nextgray.bmp 238B
validateitemgray.bmp 238B
newitem.bmp 238B
dupitem.bmp 238B
deleteitem.bmp 238B
newitemgray.bmp 238B
next.bmp 238B
dupitemgray.bmp 238B
validateitem.bmp 238B
opctestclient.bsc 4.81MB
opcda_i.c 3KB
opccomn_i.c 2KB
opctestclient.clw 23KB
group.cpp 117KB
itemview.cpp 80KB
itemadddlg.cpp 64KB
groupview.cpp 52KB
server.cpp 51KB
timestmp.cpp 45KB
mainwnd.cpp 41KB
document.cpp 35KB
itempropertiesdlg.cpp 32KB
serverpropertysheet.cpp 29KB
eventview.cpp 25KB
item.cpp 24KB
grouppropertysheet.cpp 24KB
advisesink.cpp 23KB
listeditctrl.cpp 18KB
datasink20.cpp 17KB
itemwritedlg.cpp 16KB
safearray.cpp 15KB
editfilters.cpp 14KB
serverenumgroupsdlg.cpp 13KB
opctestclient.cpp 13KB
globals.cpp 8KB
shutdownsink.cpp 7KB
servergeterrorstringdlg.cpp 7KB
versioninfo.cpp 6KB
servergroupbynamedlg.cpp 6KB
smarttooltip.cpp 6KB
imagebutton.cpp 4KB
updateintervaldlg.cpp 4KB
statusbartext.cpp 3KB
Thumbs.db 26KB
opctestclient.dsp 13KB
opctestclient.dsw 855B
opcquickclient.exe 468KB
opcda.h 93KB
opccomn.h 24KB
resource.h 13KB
group.h 8KB
serverpropertysheet.h 5KB
opcerrors.h 5KB
itemadddlg.h 5KB
server.h 5KB
globals.h 5KB
itemview.h 5KB
grouppropertysheet.h 5KB
document.h 4KB
timestmp.h 4KB
item.h 4KB
eventview.h 4KB
editfilters.h 4KB
mainwnd.h 4KB
groupview.h 3KB
datasink20.h 3KB
listeditctrl.h 3KB
itempropertiesdlg.h 3KB
itemwritedlg.h 3KB
fixedsharedfile.h 3KB
opctestclient.h 3KB
serverenumgroupsdlg.h 2KB
opcprops.h 2KB
servergeterrorstringdlg.h 2KB
versioninfo.h 2KB
opcquality.h 2KB
servergroupbynamedlg.h 2KB
safearray.h 2KB
updateintervaldlg.h 2KB
stdafx.h 2KB
advisesink.h 2KB
imagebutton.h 2KB
shutdownsink.h 2KB
safelock.h 1KB
smarttooltip.h 1KB
statusbartext.h 1KB
opctestclient.ico 766B
vc60.idb 673KB
opcquickclient.ilk 1.08MB
opctestclient.ncb 713KB
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