Microsoft KB Archive/105281

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PRB: "FoxPro Unable to Process Error" with External C Library

ID: Q105281

The information in this article applies to:

  • Microsoft FoxPro Library Construction Kit version 2.5
  • Microsoft FoxPro for Windows, versions 2.5 and 2.5a


In FoxPro for Windows, when you call external C functions from a library built with the Microsoft FoxPro Library Construction Kit (LCK), the error message "FoxPro Unable to Process Error" may appear.


This error message indicates that there is an error in the library, not in FoxPro. FoxPro recognizes that there is an error but is unable to process it because the error code received is not native to FoxPro. FoxPro presents this message to make you aware that there is a logic error in the library.


This behavior is by design.


You can use an external library of functions written in C within FoxPro by creating these functions using the FoxPro LCK. The FoxPro LCK version 2.5 can be used to create both MS-DOS-based (.PLB extension) and Windows-based (.FLL extension) libraries for use in FoxPro versions 2.5 and 2.5a for MS-DOS and Windows. These functions can be called just like any other functions that come with FoxPro. These functions are accessed using the SET LIBRARY TO <library name> command from within FoxPro.

Additional reference words: FoxWin 2.50 2.50a errmsg err msg KBCategory: kbtool kbprg kberrmsg kbprb KBSubcategory: FxtoolLck

Last Reviewed: June 27, 1995
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