C / C++ / MFC

ganesa moorthy wrote:

what could be the reason ?

SherTeks wrote:

I found that the pointer to 'infoBuf' was getting lost as soon as the 'GetTheComputerName()'
returned.

SherTeks wrote:

There are 2 ways to resolve this :

1) Declare TCHAR infoBuf[MAX_COMPUTERNAME_LENGTH + 1]; in a .h file as a data member.
OR
2) Make 'infoBuf' as static if it is locally declared within 'GetTheComputerName()'

void CSample1Dlg::GetTheComputerName( CString& csComputerName )
{
    TCHAR infoBuf[MAX_COMPUTERNAME_LENGTH + 1];
    DWORD bufCharCount = MAX_COMPUTERNAME_LENGTH;
    
    GetComputerName( infoBuf, &bufCharCount );
    
    // Assign the computer name to csComputerName
    csComputerName = infoBuf;
}

...

// Call it like this
CString csComputerName;
GetTheComputerName( csComputerName );

Vaclav_Sal wrote:

I need the cursor at the end of the set string.

HWND hwndDlg; // use Dialog Box Window here
HWND hwndEdit    = ::GetDlgItem(hwndDlg, IDC_EDIT1);
const TCHAR *szText  = _T("Edit Box String");
int nSelPos      = _tcslen(szText);

::SetWindowText(hwndEdit, szText);

// set the focus to Edit Box
::SendMessage(hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndEdit, TRUE);

// set the cursor to end of text
::SendMessage(hwndEdit, EM_SETSEL , (WPARAM)nSelPos, (LPARAM)nSelPos);

// move the cursor to view
::SendMessage(hwndEdit, (UINT) EM_SCROLLCARET, (WPARAM) 0, (LPARAM) 0);

Vaclav_Sal wrote:

Looks like a typo "(WPARAM)m_wndEdit.m_hWnd,