LEADTOOLS Image File Support (Leadtools.Codecs assembly)

RedirectRead Event

Show in webframe







Replaces the normal LEADTOOLS method for reading from a file.
Syntax
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

            
synchronized public void addRedirectReadListener(CodecsRedirectReadListener listener)
synchronized public void removeRedirectReadListener(CodecsRedirectReadListener listener)
            
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.

PropertyDescription
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

See Also

Reference

RasterCodecs Class
RasterCodecs Members

 

 


Products | Support | Contact Us | Copyright Notices
© 2006-2014 All Rights Reserved. LEAD Technologies, Inc.