var vbOKOnly           = 0;
var vbOKCancel         = 1;
var vbAbortRetryIgnore = 2;
var vbYesNoCancel      = 3;
var vbYesNo            = 4;
var vbRetryCancel      = 5;

var vbCritical         = 16;
var vbQuestion         = 32;
var vbExclamation      = 48;
var vbInformation      = 64;

var vbDefaultButton1   = 0;
var vbDefaultButton2   = 256;
var vbDefaultButton3   = 512;
var vbDefaultButton4   = 768;

var vbApplicationModal = 0;
var vbSystemModal      = 4096;

var vbOK     = 1;
var vbCancel = 2;
var vbAbort  = 3;
var vbRetry  = 4;
var vbIgnore = 5;
var vbYes    = 6;
var vbNo     = 7;