testmes macro 
.data
  test_msg db "Test message", 0
.code  
  invoke MessageBox, NULL, addr test_msg, addr test_msg, MB_OK
endm 
shownum macro num
  invoke wsprintf, addr szBuf, addr szFmtEdit, num
  invoke MessageBox, NULL, addr szBuf, addr szBuf, MB_OK
endm
mtm macro p1, p2
  push p2
  pop p1
endm
sdm macro hwnd, id, msg, wp, lp
  invoke SendDlgItemMessage, hwnd, id, msg, wp, lp
endm