How to make the Retry and Cancel message boxes

To make the Retry 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_BUTTON3 Message:BN_CLICKED

Step e: Click the ‘Add Function’ button

Step f: Click the ‘Edit Code’ Button

Step e:nter the code