Method, system and computer program product for dynamic language switching via messaging

A system for altering a display, comprising:

• a host data processing system receiving a language, locale, or display change system message containing a code including a language code, a locale code, or both;
• message handling logic within the host data processing system notifying all subscribers registered for language, locale, or display change system messages of the received system message;
• and
• user interface control logic executing within the host data processing system, wherein the user interface control logic:
• compares the code within the system message to a current code defining a language property or a locale property;
• and
• responsive to determining that the code within the system message differs from the current code, dynamically alters a user interface, if necessary, to conform to a display property matching the language property or the locale property defined by the code within the system message.

A computer program product within a computer usable medium for altering a display, comprising:

• instructions for receiving a language, locale, or display change system message containing a code including a language code, a locale code, or both;
• instructions for notifying all subscribers registered for language, locale, or display change system messages of the received system message;
• instructions for comparing the code within the system message to a current code defining a language property or a locale property;
• and
• instructions, responsive to determining that the code within the system message differs from the current code, for dynamically altering a user interface, if necessary, to conform to a display property matching the language property or the locale property defined by the code within the system message.