public RTDocumentHelper ( Capability capability )
{
this.capability = capability;
// Set up delegate that is used to send the slides on a background thread
beginSendAllSlidesDelegate = new SendAllSlidesHandler(SendAllSlides);
}
public RTDocumentHelper ( Capability capability, RTDocument rtDocument )
{
this.capability = capability;
this.rtDocument = rtDocument;
rtDocumentIdentifier = rtDocument.Identifier;
// Set up delegate that is used to send the slides on a background thread
beginSendAllSlidesDelegate = new SendAllSlidesHandler(SendAllSlides);
}
private static void AddCapabilityViewerClass(string fileName, Type type, string capName,
CapabilityViewerClassHashtable capabilityViewerClasses,
Capability.PayloadTypeAttribute pt, RegistryKey rtdocskey)
{
try
{
// Handle RTDocs as a special case.
// We checked for a default setting in app.config earlier.
// If we haven't loaded an RTDocs viewer yet, check the registry
// to see if the current one is the default viewer. If it is
// load it. If it isn't in the registry, add it as non-default.
// If there are no entries in the registry, the first viewer wins.
// It is possible to get into a state where the default viewer
// in the registry is uninstalled from the machine, in which case
// we are in trouble, because they will all be non-default.
if (pt.PayloadType.ToString() == "RTDocument")
{
// No RTDocs capability viewer has been loaded
if (!capabilityViewerClasses.ContainsKey(pt.PayloadType))
{
// See if this one is listed as the default in the registry
if (rtdocskey.ValueCount > 0)
{
object cpentry = rtdocskey.GetValue(capName);
if (cpentry != null) // There is a registry entry for this capability
{
if (cpentry.ToString() == "default")
{
capabilityViewerClasses.Add(pt.PayloadType, type);
}
}
else // No registry entry for this capability
{
// add to registry, but don't load
rtdocskey.SetValue(capName, "non-default");
}
}
else // No entries in registry. First one wins.
{
rtdocskey.SetValue(capName, "default");
capabilityViewerClasses.Add(pt.PayloadType, type);
}
}
else // An RTDocs capability viewer has already been loaded
{
// Mark the current one as non-default in the registry
rtdocskey.SetValue(capName, "non-default");
}
}
else
{
if (!capabilityViewerClasses.ContainsKey(pt.PayloadType))
{
capabilityViewerClasses.Add(pt.PayloadType, type);
}
else
{
string msg = string.Format(CultureInfo.CurrentCulture, Strings.MultipleCapabilityViewersExist,
pt.PayloadType, capabilityViewerClasses[pt.PayloadType].Name, capName);
RtlAwareMessageBox.Show(null, msg, Strings.DuplicateCapabilityViewersDetected,
MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
}
}
}
catch (Exception e)
{
string msg = string.Format(CultureInfo.CurrentCulture, Strings.AccessingFile, fileName, e.ToString());
eventLog.WriteEntry(msg, EventLogEntryType.Error, 99);
RtlAwareMessageBox.Show(null, msg, Strings.ErrorInitializingCapabilityViewer, MessageBoxButtons.OK,
MessageBoxIcon.Error, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
}
}