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Application Programming Interface: Visual Basic
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Using the application programming interface (API), you can invoke Entire Connection functions directly from a program. An ActiveX control provides a common interface for development with Visual Basic .NET, C++ and C#.
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Building an application with no APIs, says Josh Walker, an analyst at Forrester Research Inc. in Cambridge, Mass., "is basically like building a house with no doors. The API for all computing purposes is how you open the blinds and the doors and exchange information." APIs ... exist between applications.
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The Raw ASCII interface transmits RPC requests and responses as simple ASCII-coded strings, while the XML-RPC interface transmits the requests and responses as XML-formatted messages. The Raw ASCII interface uses basic TCP/IP socket client/server communication for the transport, while the XML-RPC interface uses HTTP.
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Visual Basic