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Opening a File with mmioOpen

To open a file for basic I/O operations, set the lpmmioinfo parameter of the mmioOpen function to NULL. The following example opens a file named "C:\SAMPLES\SAMPLE1.TXT" for reading, and checks the return value for error.



HMMIO hFile; 

if ((hFile = mmioOpen("C:\\SAMPLES\\SAMPLE1.TXT", NULL, 
    MMIO_READ)) != NULL) 
    // File opened successfully. 
else 
    // File cannot be opened. 


Use the dwFlags parameter of mmioOpen to specify flags for opening a file.

 

 

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