SecureBlackbox 2020 macOS Edition

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ReadFile Event

Requests a piece of file data from the application.

Syntax

func onReadFile(connectionID: Int64, size: Int32, operationStatus: inout Int32)

Remarks

The class fires this event repeatedly during an overridden download operation to request file data from the application.

The handler of this event should read up to Size bytes from the downloaded file, and pass them to the component with a SetClientBuffer call.

Use the OperationStatus parameter to return the operation result back to the server. When the file has been read up to its end, set OperationStatus to ostEOF to tell the components that no more ReadFile calls are needed.

Set OperationStatus to one of the following values:

ostOk1
ostNoSuchFile2
ostAccessDenied3
ostWriteProtect4
ostUnsupported5
ostInvalidParameter6
ostEOF7

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SecureBlackbox 2020 macOS Edition - Version 20.0 [Build 8165]