C / C++ / MFC

Sakthi_Vel wrote:

B b=a;// this statement gives no error! How? please explain

Sakthi_Vel wrote:

B b=a;// this statement gives no error! How? please explain

Chandrasekharanp wrote:

extremely sorry for again putting the query in the forum..

Chandrasekharanp wrote:

well i wanted to know how to set the third edit box value

CEdit* pEdit = (CEdit)GetDlgItem(IDC_MY_EDIT);
 
pEdit->SetWindowText(_T("Hello World"));

//CMyDialog.h
CEdit* m_aPEdits [NUM_EDITS];
.
//CMyDialog.cpp

void CMyEdit::OnInitDialog ()
{
   //More code

   m_aPEDits [0] = (CEdit*) GetDlgItem(IDC_MY_EDIT1);
   m_aPEDits [1] = (CEdit*) GetDlgItem(IDC_MY_EDIT2);
   m_aPEDits [2] = (CEdit*) GetDlgItem(IDC_MY_EDIT3);
   m_aPEDits [3] = (CEdit*) GetDlgItem(IDC_MY_EDIT4);
   //and so on

   //More code
}


//
BOOL CMyEdit::ValidateEditContents ()
{
   int nError = 0;

   for (int i = 0; i < NUM_EDITS; i++)
   {   int nTemp = -1;
       nTemp = itoa (m_aPEdits[i]->GetDialogText ());
       if ( ((10 * i) < nTemp) && (nTemp < (10 * (i+1))) )
          continue;

       nError++;  //This will execute only when the if is not being executed
   }

   if (!nError)
      return TRUE;

   return FALSE;
}

//
void CMyEdit::OnOK ()
{
   //More Code

   if (ValidateEditContents ())
      m_bDlgOK = TRUE;

   //More code
}


//And where you call the dialog...

void SomeClass::A_Function ()
{
    //More code


    CMyDialog newDlg;

EditStartLabel:
    if (IDCANCEL == newDlg.DoModal ())
       goto EditEndLabel;

    if (!newDlg.m_bDlgOK)
    {   MessageBox ("One of the edits has an invalid value, please correct it", "Error", MB_OK);
        goto EditStartLabel;
    }

    //The datas were OK
    //So you can bring them here and save, operate or do whatever you want
    //with the member variables, i.e. newDlg.m_nAnInt;

EditEndLabel:
    //here you can free memory
    //or do whatever you want to be executed ALL the times this function is called
    return;
}

Greetings.

--------
M.D.V.

If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
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“The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson