4D Payments SDK 2016 .NET Edition

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KeyFileSize Property

The total size of the EMV public key file in bytes.


public int KeyFileSize { get; set; }
Public Property KeyFileSize As Integer

Default Value



This property specifies the total size of the file in bytes. This may be up to 5 digits in length.

This property should be set to the size of the current public key before calling CheckForUpdate. If no previous key has been downloaded set this to 0.

This property will be populated with values returned by the server after calling CheckForUpdate or GetKeyInfo.

This property is only applicable when Platform is set to FDMS Rapid Connect.

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4D Payments SDK 2016 .NET Edition - Version 16.0 [Build 8017]