To add an event handler to a control, right click on it and select the Events… menu. The AppWizard will show a dialog listing all the controls and events available for each one. For this sample, select the IDC_C1TAB1 control and double-click the Switch event. The AppWizard will suggest a name for the event handler. Click OK to accept the suggestion, then click Edit Existing to go to the handler implementation.

The AppWizard has added a code stub that looks like this:

void CC1TabTutDlg::OnSwitchC1tab1(short FAR* OldTab, short FAR* NewTab, short FAR* Cancel)
{

       // TODO: Add your control notification handler code here

      

}

This is similar to the empty Sub/End Sub when you create an event handler in VB. Add the following handler code to the stub:

void CC1TabTutDlg::OnSwitchC1tab1(short FAR* OldTab, short FAR* NewTab,
       short FAR* Cancel)

{

    CString str;

    str.Format("The new tab is %d.", *NewTab);

       m_C1Elastic.SetCaption(str);

}

This code gets executed whenever the user selects a new tab. It displays the selection in the C1Elastic control using the member variable we added in Step 3.

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