Tutorial by Topics: messagebox

MessageBox is a simple concept for decoupling entities. For example entity A can place a message that entity B can read whenever suitable. A view controller would like to talk to another view controller, but you don't want to create a strong or weak relationship.
First we need to know what a MessageBox is... The MessageBox control displays a message with specified text, and can be customised by specifying a custom image, title and button sets (These button sets allow the user to choose more than a basic yes/no answer). By creating our own MessageBox we can...
QMessageBox is the simplest way to give (or ask) an information to (or from) the user. It's a modal dialog, inheriting the QDialog class. It also has four convenience static functions: information, question, warning and critical.

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