c# - Is a library ,created in .net version 4.0, access with in the lower version from its version -

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i going create own library containing generic functions. . want make sure if create library in .net framework 4.0 able call in class created in 3.5 or lower version. . want know cautions before start work on library i.e. kind of concepts should cleared before create own library in order use in efficient way. thanks.

create library in .net 2.0 framework there no issue higher versions,

you can set version project properties (right click project , select properties in visual studio)

select application tab properties window , select target framework combobox

select .net framework 2.0


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