LEADTOOLS Image File Support (Leadtools.Codecs assembly) Send comments on this topic. | Back to Introduction - All Topics | Help Version 17.0.3.29
RedirectRead Event
See Also 
Leadtools.Codecs Namespace > RasterCodecs Class : RedirectRead Event



Replaces the normal LEADTOOLS method for reading from a file.

Syntax

Visual Basic (Declaration) 
Public Event RedirectRead As EventHandler(Of CodecsRedirectReadEventArgs)
Visual Basic (Usage)Copy Code
Dim instance As RasterCodecs
Dim handler As EventHandler(Of CodecsRedirectReadEventArgs)
 
AddHandler instance.RedirectRead, handler
C# 
public event EventHandler<CodecsRedirectReadEventArgs> RedirectRead
C++/CLI 
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.

Example

For an example, refer to StartRedirecting

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.

Requirements

Target Platforms: Silverlight, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only)

See Also