3. The method of claim 1 wherein said reading comprises: while said software application is executing, encountering one or more instrumentation instructions, wherein said one or more instrumentation instructions cause said localization pack file to be read; and determining whether said source language GUI component text of said GUI component to be displayed is in said localization pack file, wherein said translated GUI component text is read in response to determining that said source language GUI component text of said GUI component to be displayed is in said localization pack file.
3. The method of claim 1 wherein said reading comprises: while said software application is executing, encountering one or more instrumentation instructions, wherein said one or more instrumentation instructions cause said localization pack file to be read; and determining whether said source language GUI component text of said GUI component to be displayed is in said localization pack file, wherein said translated GUI component text is read in response to determining that said source language GUI component text of said GUI component to be displayed is in said localization pack file. 4. The method of claim 3 further comprising: in response to determining that said GUI component to be displayed is not in said localization pack file, displaying said source language GUI component, and storing said source language GUI component text in said localization pack file.