officefileapi-devexpress-dot-compression-dot-ziparchiveoptionsbehavior.md
Gets or sets the default behavior in case of a file conflict when extracting files from an archive.
Namespace : DevExpress.Compression
Assembly : DevExpress.Docs.v25.2.dll
NuGet Package : DevExpress.Document.Processor
public AllowFileOverwriteMode AllowFileOverwrite { get; set; }
Public Property AllowFileOverwrite As AllowFileOverwriteMode
| Type | Description |
|---|---|
| AllowFileOverwriteMode |
An AllowFileOverwriteMode enumeration value that specifies the default behavior.
|
Available values:
| Name | Description |
|---|---|
| Custom |
Fires the ZipArchive.AllowFileOverwrite event if a file name conflict occurs.
| | Allow |
Allows you to overwrite files in the destination path without prompting.
| | Forbidden |
If a file name conflict occurs, the unzipping process skips to the next zip item and the file in the destination path remains intact.
|
You can access this nested property as listed below:
| Object Type | Path to AllowFileOverwrite |
|---|---|
| ZipArchive |
.OptionsBehavior .AllowFileOverwrite
|
You can decide whether the file with the same name should be overwritten for each file individually by setting the AllowFileOverwrite to AllowFileOverwriteMode.Custom and handling the ZipArchive.AllowFileOverwrite event.
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the AllowFileOverwrite property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.
zip-compression-and-archive-api-examples/CS/CompressionLibraryExamples/ZipExamples.cs#L196
using (ZipArchive archive = ZipArchive.Read(pathToZipArchive)) {
archive.OptionsBehavior.AllowFileOverwrite = AllowFileOverwriteMode.Custom;
archive.AllowFileOverwrite += archive_AllowFileOverwrite;
zip-compression-and-archive-api-examples/VB/CompressionLibraryExamples/ZipExamples.vb#L201
Using archive As ZipArchive = ZipArchive.Read(pathToZipArchive)
archive.OptionsBehavior.AllowFileOverwrite = AllowFileOverwriteMode.Custom
AddHandler archive.AllowFileOverwrite, AddressOf archive_AllowFileOverwrite
See Also
ZipArchiveOptionsBehavior Class