Delegate SetCompressionCallback

Delegate for the callback by which the application tells the library the CompressionLevel to use for a file.

Namespace: OfficeOpenXml.Packaging.Ionic.Zip

Assembly: EPPlus.dll

Syntax

public delegate CompressionLevel SetCompressionCallback(string localFileName, string fileNameInArchive);

Parameters

Type	Name	Description
System.String	localFileName
System.String	fileNameInArchive

Returns

Type	Description
CompressionLevel

Remarks

Using this callback, the application can, for example, specify that previously-compressed files (.mp3, .png, .docx, etc) should use a CompressionLevel of None, or can set the compression level based on any other factor.