[SOLVED] MFC help: Cstring to Char[]

[jawadali477]

MFC help : code error 0000007B

hi,
i'm developing GUI using MFC in vs2008. i have developed code and it builds fine but when i debug my code, it gives system error 0000007B. part of the code that gives this error is given below + variable initialization.

int COMportNum= 3;
portstream_fd COMstream;
portstream_fd pstream;
char COMportPrefix[10] = "COM";
char COMportName[256];

sprintf(COMportName, "%s%d", COMportPrefix, COMportNum); // initialize serial port COM3

strng = CString(COMportName);
strng.Format(_T("%0.9s"), strng);
SetDlgItemText(IDC_STAT, strng);

set_baud_rate(BaudRate);
COMstream = open_host_port(COMportName); //opens serial port COM3

if ( COMstream == PORT_NOT_OPENED ) //conditional check if COM3 is opened
{
stw.Format(_T("%08X"), GetLastError()); //generates error if any
SetDlgItemText(IDC_PTUPORT, stw);
}
else
SetDlgItemText(IDC_PTUPORT, (LPCTSTR) L"Ok");


can anyone please help me with this error.

Regards
Jawad

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