DEFINE CLASS MyApp AS Custom PROCEDURE Init WAIT WINDOW "App started" TIMEOUT 1 ENDPROC ENDDEFINE o = CREATEOBJECT("MyApp") Use TRY/CATCH for safe updates:

CLEAR SET DEFAULT TO <path-to-your-app> OPEN DATABASE mydb EXCLUSIVE DO FORM MainForm A simple class example:

Next record:

CREATE TABLE customers ; (custid C(5), ; name C(50), ; email C(80), ; balance N(10,2)) Add a record:

GO NEXT IF EOF() SKIP -1 && stay on last ENDIF THISFORM.Refresh() Field validation example (on LostFocus of email TextBox):