protected override void OnInit(EventArgs e)
{
if (DesignMode)
{
base.OnInit(e);
return;
}
Translator.SetDefaultTranslatorPath(Page.Request.PhysicalApplicationPath);
bool processed = false;
MemoryStream mems;
string cacheid = GetCacheId();
if (!UseHttpHandler)
{
if ((Page.Request.QueryString["renderImg"] != null) &&
(Page.Request.QueryString["renderImg"].ToString() ==
cacheid))
{
long memssize = -1;
if (Page.Cache[cacheid + "mimetype"] != null)
{
string mimetype = (string)Page.Cache[cacheid + "mimetype"];
if (Page.Cache[cacheid + "memstream"] != null)
{
mems = (MemoryStream)Page.Cache[cacheid + "memstream"];
try
{
memssize = mems.Length;
Page.Response.ContentType = mimetype;
mems.Seek(0, SeekOrigin.Begin);
Page.Response.BinaryWrite(mems.ToArray());
Page.Response.End();
processed = true;
}
finally
{
mems.Dispose();
Page.Cache.Remove(cacheid + "memstream");
Page.Cache.Remove(cacheid + "mimetype");
}
}
}
if (!processed)
{
mems = new MemoryStream();
using (mems)
{
string amessage = "No cached imaged to show";
if (memssize >= 0)
{
amessage = amessage + " ImageSize: " + memssize.ToString("##,##0") + " bytes";
}
Bitmap abitmap = GraphicUtils.TextToBitmap(500,
"No cached imaged to show", "Arial", 10);
abitmap.Save(mems, ImageFormat.Gif);
mems.Seek(0, SeekOrigin.Begin);
Page.Response.ContentType = "image/gif";
Page.Response.BinaryWrite(mems.ToArray());
Page.Response.End();
}
}
}
}
base.OnInit(e);
}
