Extract method
Example
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Extract method
Example |
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| acFileStorage component.
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| function Extract(const FileName: String; OutputFile: String = ''): Boolean; overload;
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| function Extract(FileIndex: Integer; OutputFile: String = ''): Boolean; overload;
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| The Extract method is destined to extract stored files from acFileStorage component to disk.
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| Parameters | Meanings
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| FileName | specifies the exact (though case sensitive) file name of stored file.
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| FileIndex | this is alternative to FileName parameter in overloaded version of Extract method. Specifies the index of file in Files list.
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| OutputFile | specifies the location (directory) and the file name of output file. If not specified, the FileStorage will extract file to path specified in AutoExtract.ExtractTo.SubDirectory property.
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| Returns True if file has been successfully extracted.
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| procedure TForm1.ExtractBtnClick(Sender: TObject);
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| begin
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| acFileStorage1.Extract('MyFile.exe', 'c:\MyFolder\MyFile.exe');
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| end;
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| procedure TOptionsForm.DefaultsBtnClick(Sender: TObject);
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| begin
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| MainForm.acFileStorage1.Extract(0); // extracts first file in Files list to current folder
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| end;
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| AutoExtract structure and Files property.
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