CString to CByteArray Conversion

I faced one situation during my current project. Want to convert one CString data to CByteArray.. One simple method is as follows.

CByteArray objByteArray;
BYTE *pByteArray = (PBYTE)(LPCTSTR)csData.GetBuffer();
ULONGLONG uLength = csData.GetLength();
ULONGLONG uCapacity = uLength * 2;

DWORD dwDataLength = static_cast(uLength);
objByteArray.RemoveAll();
objByteArray.SetSize(static_cast(dwDataLength));
memcpy(objByteArray.GetData(), pByteArray, dwDataLength);
csData.ReleaseBuffer();

 

Common MFC #defines !

Hope all of them may go through some of the MACROS in MFC..

Here’s some information !!!

 

_DEBUG — This symbol is set for debug builds and off for release builds.

_AFXDLL–Used to seperate DLL from LIB code.

_UNICODE–Defined if Unicode is build into MFC.

 

 

CString to TCHAR

CString is a very useful MFC class for string management. But, sometimes we want to convert CString data to TCHAR or something.

here is one small code snippet for performing this operation.

CString csData(_T(“”));
LPTSTR szData = csData.GetBuffer();
csData.ReleaseBuffer();

or like this

CString csTemp( "Sample data" );

LPTSTR lpszData = new TCHAR[csTemp.GetLength()+1];

_tcscpy(lpszData , csTemp);

delete[] lpszData;// don't forget to do this.