How to make the Yes, No and Cancel message boxes

To make the Yes, No and Cancel message boxes...

Step a: Make a Push Button in the dialog box

Step c: View>ClassWizard

Step d: Class Name: CprojectDlg Object ID:IDC_BUTTON2 Message:BN_CLICKED

Step e: Click the ‘Add Function’ button

Step f: Click the ‘Edit Code’ Button

Step g: Enter Code