문제
우리는 프로그래밍 방식으로 파일을 레코딩하는 CD 에서는 C\C++Windows XP/Vista 응용 프로그램을 개발하고 있습을 사용하여 Borlands Turbo C++.
What 는 간단하고 작업을 수행하는 가장 좋은 방법은?우리가 선호하는 기본 windows API(세에 의존하 MFC)도로에 의존하지 않는 모든 타사 소프트웨어/드라이버는 경우 사용할 수 있습니다.
해결책
우리 사용되는 다음과 같다:
저장소 디렉토리에서 파일을 반환에 의해 GetBurnPath,다음 쓰기를 사용하여 구울 수 있습니다.GetCDRecordableInfo 는지 확인할 때 사용하는 CD 준비가 된 것입니다.
#include <stdio.h>
#include <imapi.h>
#include <windows.h>
struct MEDIAINFO {
BYTE nSessions;
BYTE nLastTrack;
ULONG nStartAddress;
ULONG nNextWritable;
ULONG nFreeBlocks;
};
//==============================================================================
// Description: CD burning on Windows XP
//==============================================================================
#define CSIDL_CDBURN_AREA 0x003b
SHSTDAPI_(BOOL) SHGetSpecialFolderPathA(HWND hwnd, LPSTR pszPath, int csidl, BOOL fCreate);
SHSTDAPI_(BOOL) SHGetSpecialFolderPathW(HWND hwnd, LPWSTR pszPath, int csidl, BOOL fCreate);
#ifdef UNICODE
#define SHGetSpecialFolderPath SHGetSpecialFolderPathW
#else
#define SHGetSpecialFolderPath SHGetSpecialFolderPathA
#endif
//==============================================================================
// Interface IDiscMaster
const IID IID_IDiscMaster = {0x520CCA62,0x51A5,0x11D3,{0x91,0x44,0x00,0x10,0x4B,0xA1,0x1C,0x5E}};
const CLSID CLSID_MSDiscMasterObj = {0x520CCA63,0x51A5,0x11D3,{0x91,0x44,0x00,0x10,0x4B,0xA1,0x1C,0x5E}};
typedef interface ICDBurn ICDBurn;
// Interface ICDBurn
const IID IID_ICDBurn = {0x3d73a659,0xe5d0,0x4d42,{0xaf,0xc0,0x51,0x21,0xba,0x42,0x5c,0x8d}};
const CLSID CLSID_CDBurn = {0xfbeb8a05,0xbeee,0x4442,{0x80,0x4e,0x40,0x9d,0x6c,0x45,0x15,0xe9}};
MIDL_INTERFACE("3d73a659-e5d0-4d42-afc0-5121ba425c8d")
ICDBurn : public IUnknown
{
public:
virtual HRESULT STDMETHODCALLTYPE GetRecorderDriveLetter(
/* [size_is][out] */ LPWSTR pszDrive,
/* [in] */ UINT cch) = 0;
virtual HRESULT STDMETHODCALLTYPE Burn(
/* [in] */ HWND hwnd) = 0;
virtual HRESULT STDMETHODCALLTYPE HasRecordableDrive(
/* [out] */ BOOL *pfHasRecorder) = 0;
};
//==============================================================================
// Description: Get burn pathname
// Parameters: pathname - must be at least MAX_PATH in size
// Returns: Non-zero for an error
// Notes: CoInitialize(0) must be called once in application
//==============================================================================
int GetBurnPath(char *path)
{
ICDBurn* pICDBurn;
int ret = 0;
if (SUCCEEDED(CoCreateInstance(CLSID_CDBurn, NULL,CLSCTX_INPROC_SERVER,IID_ICDBurn,(LPVOID*)&pICDBurn))) {
BOOL flag;
if (pICDBurn->HasRecordableDrive(&flag) == S_OK) {
if (SHGetSpecialFolderPath(0, path, CSIDL_CDBURN_AREA, 0)) {
strcat(path, "\\");
}
else {
ret = 1;
}
}
else {
ret = 2;
}
pICDBurn->Release();
}
else {
ret = 3;
}
return ret;
}
//==============================================================================
// Description: Get CD pathname
// Parameters: pathname - must be at least 5 bytes in size
// Returns: Non-zero for an error
// Notes: CoInitialize(0) must be called once in application
//==============================================================================
int GetCDPath(char *path)
{
ICDBurn* pICDBurn;
int ret = 0;
if (SUCCEEDED(CoCreateInstance(CLSID_CDBurn, NULL,CLSCTX_INPROC_SERVER,IID_ICDBurn,(LPVOID*)&pICDBurn))) {
BOOL flag;
WCHAR drive[5];
if (pICDBurn->GetRecorderDriveLetter(drive, 4) == S_OK) {
sprintf(path, "%S", drive);
}
else {
ret = 1;
}
pICDBurn->Release();
}
else {
ret = 3;
}
return ret;
}
//==============================================================================
// Description: Burn CD
// Parameters: None
// Returns: Non-zero for an error
// Notes: CoInitialize(0) must be called once in application
//==============================================================================
int Burn(void)
{
ICDBurn* pICDBurn;
int ret = 0;
if (SUCCEEDED(CoCreateInstance(CLSID_CDBurn, NULL,CLSCTX_INPROC_SERVER,IID_ICDBurn,(LPVOID*)&pICDBurn))) {
if (pICDBurn->Burn(NULL) != S_OK) {
ret = 1;
}
pICDBurn->Release();
}
else {
ret = 2;
}
return ret;
}
//==============================================================================
bool GetCDRecordableInfo(long *FreeSpaceSize)
{
bool Result = false;
IDiscMaster *idm = NULL;
IDiscRecorder *idr = NULL;
IEnumDiscRecorders *pEnumDiscRecorders = NULL;
ULONG cnt;
long type;
long mtype;
long mflags;
MEDIAINFO mi;
try {
CoCreateInstance(CLSID_MSDiscMasterObj, 0, CLSCTX_ALL, IID_IDiscMaster, (void**)&idm);
idm->Open();
idm->EnumDiscRecorders(&pEnumDiscRecorders);
pEnumDiscRecorders->Next(1, &idr, &cnt);
pEnumDiscRecorders->Release();
idr->OpenExclusive();
idr->GetRecorderType(&type);
idr->QueryMediaType(&mtype, &mflags);
idr->QueryMediaInfo(&mi.nSessions, &mi.nLastTrack, &mi.nStartAddress, &mi.nNextWritable, &mi.nFreeBlocks);
idr->Release();
idm->Close();
idm->Release();
Result = true;
}
catch (...) {
Result = false;
}
if (Result == true) {
Result = false;
if (mtype == 0) {
// No Media inserted
Result = false;
}
else {
if ((mflags & 0x04) == 0x04) {
// Writable Media
Result = true;
}
else {
Result = false;
}
if (Result == true) {
*FreeSpaceSize = (mi.nFreeBlocks * 2048);
}
else {
*FreeSpaceSize = 0;
}
}
}
return Result;
}
다른 팁
을 보완하는 수락 응답,우리는 이미 기능을 사용하여 프로그래밍 방식으로 레코딩을 변경에서 디렉토리 비행이 요구의 것입니다.
typedef HMODULE (WINAPI * SHSETFOLDERPATHA)( int , HANDLE , DWORD , LPCTSTR );
int SetBurnPath( char * cpPath )
{
SHSETFOLDERPATHA pSHSetFolderPath;
HANDLE hShell = LoadLibraryA( "shell32.dll" );
if( hShell == NULL )
return -2;
DWORD dwOrdinal = 0x00000000 + 231;
pSHSetFolderPath = (SHSETFOLDERPATHA)GetProcAddress( hShell, (LPCSTR)dwOrdinal );
if( pSHSetFolderPath == NULL )
return -3;
if( pSHSetFolderPath( CSIDL_CDBURN_AREA, NULL, 0, cpPath ) == S_OK )
return 0;
return -1;
}
이것은 정보에 대한 IMAPI 에 MSDN 사이트 http://msdn.microsoft.com/en-us/library/aa939967.aspx
당신이 사용할 수 있어야 쉘의 ICDBurn 인터페이스입니다.에 다시 XP 일 MFC 지 않아도 모든 클래스에는 cd 레코딩.하면 내가 볼 수 있습니다 찾을 수있는 몇 가지 예로,하지만 당신이 그것을 때부터 나는 보았습니다.
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