Delphi realization language know switching problem, it s very nice. You can try downloading.

Multi-Languages-two\main.dcu
...................\main.dfm
...................\main.pas
...................\Maintwo.dpr
...................\Maintwo.dproj
...................\Maintwo.dproj.local
...................\Maintwo.exe
...................\Maintwo.identcache
...................\Maintwo.res
...................\__history\main.dfm.~1~
...................\.........\main.pas.~1~
...................\.........\MLMain.dpr.~1~
...................\__history
Multi-Languages-two

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