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

Visual Basic (Usage)	Copy Code
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 Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

Reference