[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Dialogs' (#lcl)

ShowMessage

Show Message

Declaration

Source position: dialogs.pp line 508

procedure ShowMessage(

  const aMsg: String

);

Arguments

aMsg

  

A string constant containing the message to be shown.

Description

Procedure ShowMessage (const Msg: string);
The simplest message dialog: takes a simple string as argument,
displays it in a stereotyped box,
and waits for a mouse-click or enter-key event
before returning to the calling routine or program.

This is a modal procedure call,
that is the box is displayed, receives focus,
and does not relinquish focus until the OK box is clicked or otherwise selected.

See also

forms.TApplication.MessageBox

  

Message Box: a useful function to display a message.

Example

 
 Program LazMessage;
 Uses Dialogs;
 begin
   ShowMessage ('This is a message from Lazarus')
 end.
The latest version of this document can be found at lazarus-ccr.sourceforge.net.