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Delphi for .NET Developer’s Guide by Xavier Pacheco

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.NET Framework Class Library (FCL)

The .NET Framework Class Library (FCL) is a rich object-oriented library composed of classes, interfaces, types, and other elements for programming .NET applications. The FCL provides developers with preexisting code and functionality to perform common programming tasks. The FCL is similar in nature to the VCL in Delphi, the MFC in Visual C++, and other such libraries. One major difference is that the FCL is available to all .NET languages. Consider the benefit of a unified class library. Prior to .NET, Delphi developers could only use Visual C++ functionality if it was exposed through a DLL or COM. Now, if you learn the FCL, you will be able to directly use the classes provided by the FCL from any language. ...

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