PROGRAM TO DEMONSTRATE COMBOBOX

10.      PROGRAM TO DEMONSTRATE COMBOBOX

Step 1:-Select a NEW file.

Step 2:-Select a project tab from the new window and from that select MFC application wizard [exe] option and give a project name as combo box and click ok.

Step 3:-

Þ    MFC Application wizard window is appeared.

Þ    Select dialog based document settings in step 1, click next.

Þ    Select default settings from step 2 to step 6 and click finish.

Þ    New projects information on window will appear and click ok.

Step 4:-Now place the following controls on the dialog editor two static boxes, one edit box, and one combo box.

Step 5:-Goto-> view-> class wizard-> select IDC_COMBO1-> add variables -> m_combo and category as control -> and another variable as m_text for edit box.

Step 6:-Goto -> class view -> select OnInitDialog() method -> add the following code.

                                    BOOL CCombo1Dlg::OnInitDialog()

                                    {

                                                CDialog::OnInitDialog();

                                                m_combo.AddString(“Item 1”);

                                                m_combo.AddString(“Item 2”);

                                                m_combo.AddString(“Item 3”);

                                                m_combo.AddString(“Item 4”);

                                    }

Step 7:-Goto -> view -> class wizard -> message maps -> IDC_COMBO1 -> CBN_SELCHANGE -> OnSelChange Combo() method -> ok.

Step 8:-Goto -> class view -> CComboDlg -> OnSelChange Combo() -> add the following code:

                                    void CComboboxDlg::OnSelChangeCombo1()

                                    {

                                                m_combo.GetLBText(m_combo.GetCursel(), m_text);

                                                UpdateData(false);

                                    }

Step 9:-Build…………Compile………..Execute.