Window mode in Delphi.

The MessageDlg function is used to display messages to the user. These messages may be informational, warning, or whatever. There is a complete free selection of buttons that the user can click to confirm the dialog.

mtWarning - Displays an exclamation symbol

mtError - Displays a red "X"

mtInformation - Displays "i" in a circle

mtConfirmation - Displays a question mark

mtCustom - Displays only the message.

The Buttons value can be one of the following listed values:

mbYes - Displays the "Yes" button

mbNo - Displays the "No" button

mbOK - Displays the "OK" button

mbCancel - Displays the "Cancel" button

mbAbort - Displays the "Abort" button

mbRetry - Displays the "Retry" button

mbIgnore - Displays the "Ignore" button

mbAll - Displays the "All" button

mbNoToAll - Displays the "No to all" button

mbYesToAll - Displays the "Yes to all" button

mbHelp - Displays the "Help" button

Example code: Showing confirmation dialog

var buttonSelected : Integer; begin // Отображение диалога с подтверждением buttonSelected := MessageDlg('Confirmation',mtError, mbOKCancel, 0); // Показ типа выбранной кнопки if buttonSelected = mrOK then ShowMessage('Была нажата OK'); if buttonSelected = mrCancel then ShowMessage('Была нажата Cancel'); end;