MessageBoxShowDo
MessageBoxShowDo is a function used in certain graphical user interface toolkits to display a modal message box to the user. It presents a short message and an optional title, along with a set of buttons that the user can press to respond. The function returns an indication of which option the user selected.
The exact API varies by framework, but typical parameters include the message text, a caption or title,
Return values are usually conveyed through an enumeration or constant that identifies the pressed button. In
Usage notes: the dialog is typically modal, blocking interaction with other windows until it is closed. It
See also: MessageBox.Show, ShowDialog, dialog or alert APIs in various UI toolkits.