Transcription of Windows API Functions - VB Migration
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Windows API Functions - VB Migration
1189 AppendixWindows APIF unctionsThe Visual Basic language provides a rich set of Functions , commands, and objects,but in many cases they don t meet all the needs of a professional programmer. Justto name a few shortcomings, Visual Basic doesn t allow you to retrieve system infor-mation such as the name of the current user and most Visual Basic controls ex-pose only a fraction of the features that they potentially programmers have learned to overcome most of these limitations by di-rectly calling one or more Windows API Functions . In this book, I ve resorted to APIfunctions on many occasions, and it s time to give these Functions the attention theydeserve.
Appendix Windows API Functions 1191 Before you can use an API function, you must tell Visual Basic the name of the DLL that contains it and the type of each argument. You do this with a Declare state- ment, which must appear in the declaration section of a module.
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