Get Strings from bpl package

sorry this may be a simple question

i want to call a bpl and get the value of a string inside the开发者_JAVA百科 pakage

where and how can i declare a constant(or variable) and how to call it by a delphi exe

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As long as the string constant is declared in the interface section of one of your units, you can just refer to it by name, the same as if the unit was compiled directly into your app.