# FarPoint.Web.Chart.ChartImageHttpHandler

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="FarPoint_Web_Chart_ChartImageHttpHandler" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler" class="text-break">ChartImageHttpHandler Class
</h1>
  <div class="markdown level0 summary"><p>Represents a ChartImageHttpHandler, which processes the chart image request and returns the
image stream to the client. This is used by the
<a class="xref" href="FarPoint.Web.Chart.HttpHandlerImageRender.html">HttpHandlerImageRender</a>  class.</p>
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  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><span class="xref">ChartImageHttpHandler</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.web.ihttpasynchandler">IHttpAsyncHandler</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.web.ihttphandler">IHttpHandler</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.web.sessionstate.irequiressessionstate">IRequiresSessionState</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="FarPoint.Web.Chart.html">FarPoint.Web.Chart</a></h6>
  <h6><strong>Assembly</strong>: FarPoint.Web.Chart.dll</h6>
  <h5 id="FarPoint_Web_Chart_ChartImageHttpHandler_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class ChartImageHttpHandler : IHttpAsyncHandler, IHttpHandler, IRequiresSessionState</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class ChartImageHttpHandler
    Implements IHttpAsyncHandler, IHttpHandler, IRequiresSessionState</code></pre>
  </div>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_IsReusable" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.IsReusable">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.IsReusable.html#FarPoint_Web_Chart_ChartImageHttpHandler_IsReusable">IsReusable</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a value indicating whether another request can use the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.web.ihttphandler">IHttpHandler</a> instance.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_BeginProcessRequest_System_Web_HttpContext_System_AsyncCallback_System_Object_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.BeginProcessRequest(System.Web.HttpContext,System.AsyncCallback,System.Object)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.BeginProcessRequest.html#FarPoint_Web_Chart_ChartImageHttpHandler_BeginProcessRequest_System_Web_HttpContext_System_AsyncCallback_System_Object_">BeginProcessRequest(HttpContext, AsyncCallback, object)</a>
        </td>
        <td class="markdown level1 summary"><p>Begin handle request</p>
</td>
      </tr>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_EndProcessRequest_System_IAsyncResult_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.EndProcessRequest(System.IAsyncResult)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.EndProcessRequest.html#FarPoint_Web_Chart_ChartImageHttpHandler_EndProcessRequest_System_IAsyncResult_">EndProcessRequest(IAsyncResult)</a>
        </td>
        <td class="markdown level1 summary"><p>End handle request</p>
</td>
      </tr>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_GetImage_System_Web_HttpContext_System_String_FarPoint_Web_Chart_ImageTransferStorage_System_Boolean_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.GetImage(System.Web.HttpContext,System.String,FarPoint.Web.Chart.ImageTransferStorage,System.Boolean)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.GetImage.html#FarPoint_Web_Chart_ChartImageHttpHandler_GetImage_System_Web_HttpContext_System_String_FarPoint_Web_Chart_ImageTransferStorage_System_Boolean_">GetImage(HttpContext, string, ImageTransferStorage, bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Get chart image from image transfer storage.</p>
</td>
      </tr>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_ProcessRequest_System_Web_HttpContext_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.ProcessRequest(System.Web.HttpContext)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.ProcessRequest.html#FarPoint_Web_Chart_ChartImageHttpHandler_ProcessRequest_System_Web_HttpContext_">ProcessRequest(HttpContext)</a>
        </td>
        <td class="markdown level1 summary"><p>Enables processing of HTTP Web requests by a custom HttpHandler that implements the
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.web.ihttphandler">IHttpHandler</a>  interface.</p>
</td>
      </tr>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_RenderErrorImage_System_Exception_System_Web_HttpContext_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.RenderErrorImage(System.Exception,System.Web.HttpContext)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.RenderErrorImage.html#FarPoint_Web_Chart_ChartImageHttpHandler_RenderErrorImage_System_Exception_System_Web_HttpContext_">RenderErrorImage(Exception, HttpContext)</a>
        </td>
        <td class="markdown level1 summary"><p>Render error image to reponse stream of the current HttpContext.</p>
</td>
      </tr>
      <tr>
        <td id="FarPoint_Web_Chart_ChartImageHttpHandler_RenderImage_System_Byte___System_String_System_Web_HttpContext_" data-uid="FarPoint.Web.Chart.ChartImageHttpHandler.RenderImage(System.Byte[],System.String,System.Web.HttpContext)">
          <a class="xref" href="FarPoint.Web.Chart.ChartImageHttpHandler.RenderImage.html#FarPoint_Web_Chart_ChartImageHttpHandler_RenderImage_System_Byte___System_String_System_Web_HttpContext_">RenderImage(byte[], string, HttpContext)</a>
        </td>
        <td class="markdown level1 summary"><p>Render image to reponse stream of the current HttpContext.</p>
</td>
      </tr>
    </tbody>
  </table>

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