[ARX程序]：ARX教程示例2本程序演示了arx的基本设计流程，及自定义类的实现

qinhongxian

ARX教程示例2，本程序演示了arx的基本设计流程，及自定义类的实现
下面为部分代码

1. [font=courier new]
   
2. // hello2.cpp
   
3. /////////////////////////////////////////////////////////
   
4. 
   
5. 
   
6. #include <aced.h>
   
7. #include <rxregsvc.h>
   
8. #include "HloClass.h"
   
9. 
   
10. // entry point for this application
    
11. extern "C" AcRx::AppRetCode acrxEntryPoint( AcRx::AppMsgCode msg, void* );
    
12. 
    
13. // helper functions
    
14. void initApp  (void);
    
15. void unloadApp(void);
    
16. 
    
17. // user defined functions
    
18. void hello(void);
    
19. 
    
20. /////////////////////////////////////////////////////////////////////
    
21. // acrxEntryPoint(internal)
    
22. // This function is the entry point for your application.
    
23. /////////////////////////////////////////////////////////////////////
    
24. AcRx::AppRetCode acrxEntryPoint(AcRx::AppMsgCode msg, void* ptr)
    
25. {
    
26.         switch (msg) {
    
27.                 case AcRx::kInitAppMsg :
    
28.                         acrxUnlockApplication(ptr);
    
29.                         acrxRegisterAppMDIAware(ptr);
    
30.                         initApp();
    
31.                 break;
    
32. 
    
33.                 case AcRx::kUnloadAppMsg :
    
34.                         unloadApp();
    
35.                 break;
    
36. 
    
37.                 case AcRx::kLoadDwgMsg :
    
38.                         acutPrintf("Received Acrx::kLoadDwgMsg\n");
    
39.                 break;
    
40. 
    
41.                 case AcRx::kUnloadDwgMsg :
    
42.                 break;
    
43. 
    
44.                 default:
    
45.                 break;
    
46.         } // switch
    
47. 
    
48.   return AcRx::kRetOK;
    
49. }
    
50. 
    
51. void initApp(void)
    
52. {
    
53.         // 初始化程序
    
54.     // 注册AutoCAD命令
    
55. 
    
56.         // Step 1:
    
57.     //
    
58.     //  Add classes to the runtime-identifiable class hierarchy.
    
59.     //        添加类至运行类树
    
60.     //  This call was defined by use of the ACRX_CONS_DEFINE_MEMBERS()
    
61.     //  macro on CHelloClass.
    
62. 
    
63.     CHelloClass::rxInit();//初始化类
    
64. 
    
65.         //  If there are any other classes that need to be initialized
    
66.         //  they would go here in the following format.
    
67.         //  <Classname>::rxInit();
    
68. 
    
69.     // Step 2:
    
70.     //
    
71.     //   Build class relationships before proceeding.  Use after
    
72.     //   making a set of <Classname>::rxInit() calls which add a
    
73.     //   contiguous growth onto the inheritance tree.
    
74.     //
    
75.     acrxBuildClassHierarchy();
    
76. 
    
77.     // Step 3:
    
78.     //
    
79.     //   Do any other initialization you need.  The point is that it is
    
80.     //   best to do the classes first, since the rest of the initialization
    
81.     //   is usually concerned with them.
    
82.     //
    
83.     //   This example application registers a service name, needed for
    
84.     //   symbolic function export,  and a handy object for verifying the
    
85.     //   presence of this application.
    
86.     //
    
87.     acrxRegisterService(SERVICE);
    
88. 
    
89.     // register a command with the AutoCAD command mechanism
    
90.     //
    
91. 
    
92.     acedRegCmds->addCommand("HELLOWORLD_COMMANDS", "HELLO2", "HELLO2",
    
93.                     ACRX_CMD_MODAL, hello);
    
94. 
    
95.         acutPrintf("Type "HELLO2" to execute.\n");
    
96.        
    
97. }
    
98. 
    
99. void unloadApp(void)
    
100. {
     
101.         // TODO: clean up your application
     
102. 
     
103.     // Remove the service that was registered via acrxRegisterService()
     
104.     //
     
105.     delete acrxServiceDictionary->remove(SERVICE);
     
106.    
     
107.     // Remove the command group added via acedRegCmds->addCommand
     
108.     //
     
109.     acedRegCmds->removeGroup("HELLOWORLD_COMMANDS");
     
110. 
     
111.     // remove CHelloClass from the AcRx runtime tree
     
112.     //
     
113.     deleteAcRxClass(CHelloClass::desc());
     
114. 
     
115. }
     
116. 
     
117. // TODO: add your other functions here
     
118. void hello(void)
     
119. {
     
120.         //create the pointer which is pointed CHelloClass
     
121.     CHelloClass *pHloClass = new CHelloClass;
     
122.         //display the infomation in the prompt command
     
123.     acutPrintf("Calling the CHelloClass hello function:\n");
     
124.     if(!pHloClass)
     
125.         {
     
126.         acutPrintf("OOPS!! we got a null pointer ...\n");
     
127.         return;
     
128.     }
     
129.     pHloClass->hello();
     
130.     delete pHloClass;
     
131.     acutPrintf("Deleted the CHelloClass Object pointer.\n");
     
132. }
     
133. [/font]

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RedCAD

我看书上自定义类好复杂哦

twtm

有简单点的吗？