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     BALTECH Docs | 
    C API for BALTECH SDK
   
    
   
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| unsigned ChangeKeyIdx | 
**Only needed to run brp_VHL_Format() .
**
Index of the key on the reader that is used to change a key when running VHL.Format. If ChangeKeyNo (see AccessRightsLowByte) is equal to WriteKeyNo , this value defaults to WriteKeyIdx. Otherwise, it defaults to WriteKeyIdx + 1.
Definition at line 4418 of file typedefs.h.