[求助]请高手帮忙！！关于ObjectARX对MDT6.0的二次开发！

Jackilin

这一大堆程序是什么意思啊，有什么用呀，请高手指教，本人为了毕业设计，才认识ObjectARX，所以不了解，也是最近才开始学的！ #include "StdAfx.h"
#include "StdArx.h"
#include "resource.h" HINSTANCE _hdllInstance =NULL ; // This command registers an ARX command.
void AddCommand(const char* cmdGroup, const char* cmdInt, const char* cmdLoc,
const int cmdFlags, const AcRxFunctionPtr cmdProc, const int idLocal = -1);
// NOTE: DO NOT edit the following lines.
//{{AFX_ARX_MSG
void InitApplication();
void UnloadApplication();
//}}AFX_ARX_MSG // NOTE: DO NOT edit the following lines.
//{{AFX_ARX_ADDIN_FUNCS
//}}AFX_ARX_ADDIN_FUNCS
/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point
extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
if (dwReason == DLL_PROCESS_ATTACH)
{
_hdllInstance = hInstance;
} else if (dwReason == DLL_PROCESS_DETACH) { }
return TRUE; // ok
} /////////////////////////////////////////////////////////////////////////////
// ObjectARX EntryPoint
extern "C" AcRx::AppRetCode
acrxEntryPoint(AcRx::AppMsgCode msg, void* pkt)
{
switch (msg) {
case AcRx::kInitAppMsg:
// Comment out the following line if your
// application should be locked into memory
acrxDynamicLinker->unlockApplication(pkt);
acrxDynamicLinker->registerAppMDIAware(pkt);
InitApplication();
break;
case AcRx::kUnloadAppMsg:
UnloadApplication();
break;
}
return AcRx::kRetOK;
} // Init this application. Register your
// commands, reactors...
void InitApplication()
{
// NOTE: DO NOT edit the following lines.
//{{AFX_ARX_INIT
AddCommand("JACKILIN", "TEST", "TEST", ACRX_CMD_TRANSPARENT | ACRX_CMD_USEPICKSET, Jackilintest);
//}}AFX_ARX_INIT // TODO: add your initialization functions } // Unload this application. Unregister all objects
// registered in InitApplication.
void UnloadApplication()
{
// NOTE: DO NOT edit the following lines.
//{{AFX_ARX_EXIT
acedRegCmds->removeGroup("JACKILIN");
//}}AFX_ARX_EXIT // TODO: clean up your application
} // This functions registers an ARX command.
// It can be used to read the localized command name
// from a string table stored in the resources.
void AddCommand(const char* cmdGroup, const char* cmdInt, const char* cmdLoc,
const int cmdFlags, const AcRxFunctionPtr cmdProc, const int idLocal)
{
char cmdLocRes[65]; // If idLocal is not -1, it's treated as an ID for
// a string stored in the resources.
if (idLocal != -1) { // Load strings from the string table and register the command.
:oadString(_hdllInstance, idLocal, cmdLocRes, 64);
acedRegCmds->addCommand(cmdGroup, cmdInt, cmdLocRes, cmdFlags, cmdProc); } else
// idLocal is -1, so the 'hard coded'
// localized function name is used.
acedRegCmds->addCommand(cmdGroup, cmdInt, cmdLoc, cmdFlags, cmdProc);
}