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System.Zip.TZipProgressEvent

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C++

typedef void __fastcall (__closure *TZipProgressEvent)(System::TObject* Sender, System::UnicodeString FileName, const TZipHeader &Header, __int64 Position);

Properties

Type Visibility Source Unit Parent
typedef public System.Zip.hpp System.Zip System.Zip

Description

The type of event for the zip file operation progress event handlers.

One of such event handlers is OnProgress.

TZipProgressEvent accepts the following parameters:

  • <Sender>: The TZipFile object performing the current operation.
  • <FileName>: The name of the affected file.
  • <Header>: The TZipHeader of the affected file.
  • <Position>: The number of bytes already processed.

You can get the progress of the current operation like this:

PercentageOfCompletion := Position div Header.UncompressedSize;

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