RedirectRead Event

Replaces the normal LEADTOOLS method for reading from a file.

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public event EventHandler<CodecsRedirectReadEventArgs> RedirectRead

'Declaration
 
Public Event RedirectRead As EventHandler(Of CodecsRedirectReadEventArgs)

'Usage
 
Dim instance As RasterCodecs
Dim handler As EventHandler(Of CodecsRedirectReadEventArgs)
 
AddHandler instance.RedirectRead, handler

public event EventHandler<CodecsRedirectReadEventArgs> RedirectRead

add_RedirectRead(function(sender, e))
remove_RedirectRead(function(sender, e))

public:
event EventHandler<CodecsRedirectReadEventArgs^>^ RedirectRead

Event Data

The event handler receives an argument of type CodecsRedirectReadEventArgs containing data related to this event. The following CodecsRedirectReadEventArgs properties provide information specific to this event.

Property	Description
Buffer	Gets a pointer to the unmanaged memory buffer into which this read operation should copy the data.
Count	Gets the number of bytes that this read operation request.
Read	Gets or sets the actual number of bytes that this read operation has copied to Buffer.

Remarks

You can redirect all the toolkit I/O methods to your own I/O methods to load/save images from your own streams.

To replace the normal method for reading from a file, set your own subscribe to this event then call the StartRedirecting method.

Example

For an example, refer to StartRedirecting

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

RasterCodecs Class
RasterCodecs Members