Occurs when first volume should be inserted while extracting or testing a multi-volume archive.
type TZFOnRequestFirstVolumeEvent = procedure(
Sender: TObject;
var VolumeFileName: String;
var Cancel: Boolean
) of object;
property OnRequestFirstVolume: TZFOnRequestFirstVolumeEvent;
Description
Write an OnRequestFirstVolume event handler to perform asking the user for inserting a first volume of the multi-volume archive.
See also OnRequestLastVolume and OnRequestMiddleVolume events.
Also you can override default file name for this volume. Use Cancel to abort current operation.
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