Simple Dialog Box Example in Ax 2009

static void Simple_Dialog(Args _args)
{
dialog dlg;
dialogGroup dlgGroup;
dialogField dlgField;
;

dlg = new dialog("Simple Dialog");
dlgGroup = dlg.addGroup("Customer");
dlgField = dlg.addField(TypeID(custAccount),"Account
Number");

if (dlg.run())
{
print dlgField.value();
pause;
}
}