getting text from editbox

Code:

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char *buf[20];
        SendMessage(editbx,EM_GETLINE,0,buf);
        MessageBox(NULL,buf, "Interest App", MB_OK | MB_ICONINFORMATION);

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im trying to retrieve text from a editox called "editbx" and display it in a messagebox. Anyone know how to. I looked it up on MSDN and it was a bit confusing:confused:

If you are using a dialogue then you can use this:

Code:

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GetDlgItemText
The GetDlgItemText function retrieves the title or text associated with a control in a dialog box.

UINT GetDlgItemText(
  HWND hDlg,      // handle of dialog box
  int nIDDlgItem,  // identifier of control
  LPTSTR lpString, // address of buffer for text
  int nMaxCount    // maximum size of string
);
 
Parameters
hDlg
Identifies the dialog box that contains the control.
nIDDlgItem
Specifies the identifier of the control whose title or text is to be retrieved.
lpString
Pointer to the buffer to receive the title or text.
nMaxCount
Specifies the maximum length, in characters, of the string to be copied to the buffer pointed to by lpString. If the length of the string exceeds the limit, the string is truncated.
Return Values
If the function succeeds, the return value specifies the number of characters copied to the buffer, not including the terminating null character.

If the function fails, the return value is zero. To get extended error information, callGetLastError.

Remarks
The GetDlgItemText function sends a WM_GETTEXT message to the control.

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If not then:

Code:

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long fl  =SendMessage(secdlge,WM_GETTEXTLENGTH,0,0);
fl++;
TCHAR *ft = new TCHAR[fl];
SendMessage(secdlge,WM_GETTEXT,fl,(LPARAM)ft);
//ft contains text
MessageBox(NULL,ft, "Interest App", MB_OK | MB_ICONINFORMATION);

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You can also use GetWindowText if you're using a window:

Code:

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int iLen = GetWindowTextLength(hWnd_Edit);
TCHAR *pcBuf = new TCHAR[iLen + 1];
GetWindowText(hWnd_Edit, pcBuf, iLen);

// Use pcBuf

delete[] pcBuf;

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