Schneider Automation Modicon Quantum Ethernet Podręcznik Użytkownika Pobierz pdf (Strona 78)

Ethernet Developers Guide

840 USE 115 00 Version 1.0

9. CReadDlg.

The CReadDl

class is the dialo

class for determinin

the

isters to read. It is derived from the CDialo

class. The declaration is in the

readdl

.h file, and the implementation is in the readdl

.cpp file. Both of these

files were

enerated b

The Visual C++ class wizard.

10. CWriteDlg.

The CWriteDl

class is the dialo

class for determinin

the

isters to write and the write data. It is derived from the Cdialo

class. The

declaration is in the writedl

.h and the implementation is in the writedl

.cpp file.

Both of these files were

enerated b

The Visual C++ class wizard.

11. CAboutDlg.

The CAboutDl

class is the dialo

class for

about

. Both the

declaration and its implementation are in the sam_app.cpp file.

B.6 The CSample_doc Class

The CSample_doc

(

the document class

)

contains the user data used b

the

CSample_View class. The user data consists of the remote node’s IP address, the

transaction t

pe and its associated values. The different transaction t

pes are read

ister, write re

ister, clear statistics, and

et statistics. In addition to the

transaction t

pe and the associated values, the document class also contains the

poll interval.

A user modifies the user data via a menu or tool bar. The CSample_doc processes

the menu or tool bar window command messa

e b

invokin

the correspondin

dialo

. The state of the various menu items and tool bar buttons depends on the

connection state between the application and the remote node. The

CSample_View class maintains the connection state, and hence sets the state of

the menu items and tool bar buttons.

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