Sharing an I/O Procedure with Other Applications

If you want to share an I/O procedure with other applications, you need to write a dynamic-link library (DLL) for your application. You can share the I/O procedure by doing one of the following:

  • Include the code for the I/O procedure in the DLL.

  • Create a function in the DLL that calls the mmioInstallIOProc function to install the I/O procedure.

  • Export this function in the module-definitions file of the DLL.

To use the shared I/O procedure, an application must first call the function in the DLL to install the I/O procedure.

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