ZipArchive.UpdateFile(String, String) Method

SECURITY-RELATED CONSIDERATIONS

Using file paths sourced from untrusted input may expose unauthorized files or allow unintended file access. Always validate and normalize all external paths to prevent path manipulation.

Updates content of the zip file item.

Namespace: DevExpress.Compression

Assembly: DevExpress.Docs.v25.2.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public ZipFileItem UpdateFile(
    string fileName,
    string relativePath
)

VB.NET

Public Function UpdateFile(
    fileName As String,
    relativePath As String
) As ZipFileItem

Parameters

Name	Type	Description
fileName	String	A string that is the path to the file which will replace the file in the archive.
relativePath	String	A string that is the path in archive.

Returns

Type	Description
ZipFileItem	A ZipFileItem object that is the updated zip file item.

Remarks

The UpdateFile method removes a file item located at the specified path from the archive. Then, the ZipArchive creates a new zip file item from the specified file and adds it to the archive at the specified path.

If an item is not found, it is created.

Use the ZipArchive.Read to load the archive to be updated. To save the updated archive, use the ZipArchive.Save method.