'Declaration
 
Protected Overloads Overridable Function DoOpenWrite( _
   ByVal session As FileSystemEventsSession, _
   ByVal overwrite As Boolean, _
   ByVal share As FileShare, _
   ByVal sourceFileHint As AbstractFile, _
   ByVal openPhysicalStreamOnly As Boolean, _
   ByVal outputStream As Stream, _
   ByVal compressionMethod As CompressionMethod, _
   ByVal compressionLevel As CompressionLevel, _
   ByVal encryptionPassword As String, _
   ByVal encryptionMethod As EncryptionMethod, _
   ByVal encryptionStrength As Integer _
) As Stream

'Usage
 
Dim instance As ZippedFile
Dim session As FileSystemEventsSession
Dim overwrite As Boolean
Dim share As FileShare
Dim sourceFileHint As AbstractFile
Dim openPhysicalStreamOnly As Boolean
Dim outputStream As Stream
Dim compressionMethod As CompressionMethod
Dim compressionLevel As CompressionLevel
Dim encryptionPassword As String
Dim encryptionMethod As EncryptionMethod
Dim encryptionStrength As Integer
Dim value As Stream
 
value = instance.DoOpenWrite(session, overwrite, share, sourceFileHint, openPhysicalStreamOnly, outputStream, compressionMethod, compressionLevel, encryptionPassword, encryptionMethod, encryptionStrength)

protected virtual Stream DoOpenWrite( 
   FileSystemEventsSession session,
   bool overwrite,
   FileShare share,
   AbstractFile sourceFileHint,
   bool openPhysicalStreamOnly,
   Stream outputStream,
   CompressionMethod compressionMethod,
   CompressionLevel compressionLevel,
   string encryptionPassword,
   EncryptionMethod encryptionMethod,
   int encryptionStrength
)

Parameters

session

A reference to a object which is responsible for raising all events that occur during the process.The password used to encrypt the file.EncryptionMethodEncryptionMethod.WinZipAes

overwrite

share

sourceFileHint

openPhysicalStreamOnly

outputStream

compressionMethod

compressionLevel

encryptionPassword

encryptionMethod

encryptionStrength

Return Value

The returned stream is guaranteed to be writable, but may or may not be seekable.

If there is no existing data, the parameter overwrite is ignored.

.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

.NET Standard: netstandard2.0, netstandard2.1

.NET Framework: net20, net35, net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

Reference

ZippedFile Class
ZippedFile Members
Overload List
System.IO.FileShare
System.IO.Stream
EncryptionMethod Property
WinZipAes Field