public override WebPart GetWebPart(WebPartDescription description)
{
if (description == null)
{
throw new ArgumentNullException("description");
}
WebPartDescriptionCollection webPartDescriptions = GetAvailableWebPartDescriptions();
if (!webPartDescriptions.Contains(description))
{
throw new ArgumentException(SR.GetString(SR.CatalogPart_UnknownDescription), "description");
}
if (_availableWebPart != null)
{
return(_availableWebPart);
}
// Import the WebPart from its saved XML description.
using (XmlReader reader = XmlUtils.CreateXmlReader(new StringReader(_importedPartDescription))) {
if (reader != null && WebPartManager != null)
{
_availableWebPart = WebPartManager.ImportWebPart(reader, out _importErrorMessage);
}
}
// If import failed, clear the cached description
if (_availableWebPart == null)
{
_importedPartDescription = null;
_availableWebPartDescriptions = null;
}
return(_availableWebPart);
}
public override WebPart GetWebPart(WebPartDescription description)
{
if (description == null)
{
throw new ArgumentNullException("description");
}
WebPartDescriptionCollection webPartDescriptions = GetAvailableWebPartDescriptions();
if (!webPartDescriptions.Contains(description))
{
throw new ArgumentException(SR.GetString(SR.CatalogPart_UnknownDescription), "description");
}
return(description.WebPart);
}
