'Declaration
 
Protected Overridable Function GetImage( _
   ByVal context As HttpContext, _
   ByVal transferId As String, _
   ByVal imageTransferStorage As ImageTransferStorage, _
   ByVal keepTransferStorage As Boolean _
) As Byte()

'Usage
 
Dim instance As ChartImageHttpHandler
Dim context As HttpContext
Dim transferId As String
Dim imageTransferStorage As ImageTransferStorage
Dim keepTransferStorage As Boolean
Dim value() As Byte
 
value = instance.GetImage(context, transferId, imageTransferStorage, keepTransferStorage)

protected virtual byte[] GetImage( 
   HttpContext context,
   string transferId,
   ImageTransferStorage imageTransferStorage,
   bool keepTransferStorage
)

Parameters

context

An HttpContext object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.

transferId

An unique Id to identify an chart image

imageTransferStorage

A flag of where chart image is stored, Cache or Session.

keepTransferStorage

Whether to remove the image from the transfer storage

Return Value

Target Platforms: Windows 7, Windows 8, Windows 10, Windows Vista, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows XP Professional

Reference

ChartImageHttpHandler Class
ChartImageHttpHandler Members