C / C++ / MFC

SP 24 wrote:

Please ask this question to Vishal .

SP 24 wrote:

there is no need to set the Hindi font. He can set Mangal instead.

ThatsAlok yeap.... thanks!

ThatsAlok some times it's project requirement to use some particular fonts and never depend on UNICODE based on size and shape they take

SP 24 wrote:

Did you check the font in fonts folder ??

vishalgpt wrote:

Yes checked.

SP 24 wrote:

It means that your font is in font folder. Right.

csrss wrote:

VirtualAlloc(0,
BASE_BUFFER_SIZE, MEM_RESERVE, PAGE_READWRITE);

BYTE *ReadBytes(HANDLE hDevice, LPDWORD lpdwBytesRead)
{
	SIZE_T BASE_BUFFER_SIZE = 512;

	BYTE * bInitialBuffer = NULL;
	bInitialBuffer = (BYTE *)VirtualAlloc(0, 
			BASE_BUFFER_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);

	if(bInitialBuffer == NULL)
	{
		// handle this sh*t
		TRACE("VirtualAlloc failed!");
		return NULL;
	}
	DWORD dwReadBytes;
	while (FALSE != ReadFile(hDevice, bInitialBuffer, BASE_BUFFER_SIZE, 
		(LPDWORD)&dwReadBytes, 0) && dwReadBytes > 0)
	{
		TRACE1("got some buffer! %d", dwReadBytes);
		lpdwBytesRead += dwReadBytes;
	}
	return bInitialBuffer;
}

DWORD read = 0;
BYTE *DataBuffer = ReadBytes(hFile, &read);

while (FALSE != ReadFile(hDevice, bInitialBuffer, BASE_BUFFER_SIZE, 
		(LPDWORD)&dwReadBytes, 0) && dwReadBytes > 0)
	{
		TRACE1("got some buffer! %d", dwReadBytes);

lpdwBytesRead += dwReadBytes;

DWORD read = 0;
BYTE *DataBuffer = ReadBytes(hFile, &read);

#define BASE_BUFFER_SIZE 512

BOOL ReadBytes(HANDLE hFile, PBYTE bInitialBuffer)
{
	DWORD dwReadBytes;
	while (FALSE != ReadFile(hFile, bInitialBuffer, BASE_BUFFER_SIZE, 
		(LPDWORD)&dwReadBytes, 0) && dwReadBytes > 0)
	{
		/*CString str;
		str.Format(L"got buffer! %d",dwReadBytes);
		AfxMessageBox(str);*/
     }
     if(dwReadBytes <= 0) 
	 { 
		 return FALSE;
	 }
	 return TRUE;
}

void CMTest1Dlg::OnBnClickedOk()
{
	HANDLE hFile = NULL;

	hFile = CreateFile(L"C:\\temp\\myfile.txt", GENERIC_READ, 0, 0, OPEN_EXISTING, 0, 0);
	if(INVALID_HANDLE_VALUE == hFile){
		AfxMessageBox(L"CreateFile failed");
		return;
	}

	BYTE *buffer = NULL;
	buffer = (BYTE *)VirtualAlloc(0, BASE_BUFFER_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
 
	if(NULL == buffer)
	{
		AfxMessageBox(L"VirtualAlloc failed!");
		return;
	}
	BOOL bRead = ReadBytes(hFile, buffer);
	//use buffer here
}

csrss wrote:

i cannot return bytes from function, (this code is a function, which should read a file into BYTE array and return this array among with nr of bytes read).

*lpdwBytesRead += dwReadBytes;

csrss wrote:

lpdwBytesRead += dwReadBytes;