/// <summary>
/// Dispatch an ANP event to the appropriate handler.
/// </summary>
private KwsAnpEventStatus DispatchAnpEventToHandler(AnpMsg msg)
{
// If this event version is not supported, disable the workspace.
if (msg.Minor > KAnp.Minor)
{
RequestTaskSwitch(KwsTask.Stop, new EAnpExUpgradeKwm());
return(KwsAnpEventStatus.Unprocessed);
}
// Dispatch to the appropriate handler.
try
{
UInt32 ns = KAnp.GetNsFromType(msg.Type);
KwsAnpEventStatus status = KwsAnpEventStatus.Unprocessed;
// Non-application-specific event.
if (ns == KAnp.KANP_NS_KWS)
{
status = m_kws.KcdEventHandler.HandleAnpEvent(msg);
}
// Application-specific event.
else
{
// Trivially process whiteboard events.
if (ns == KAnp.KANP_NS_WB)
{
return(KwsAnpEventStatus.Processed);
}
// Locate the application.
KwsApp app = m_kws.GetApp(ns);
if (app == null)
{
throw new Exception("unknown application of type " + ns);
}
// Dispatch.
status = app.HandleAnpEvent(msg);
}
// Throw an exception if we cannot process an event that we
// should have been able to process.
if (status == KwsAnpEventStatus.Unprocessed && m_kws.IsOfflineCapable())
{
throw new Exception("failed to process KCD event");
}
return(status);
}
catch (Exception ex)
{
HandleMiscFailure(ex);
return(KwsAnpEventStatus.Unprocessed);
}
}
/// <summary>
/// Update the application controls data source.
/// </summary>
public void UpdateAppControlDataSource(Workspace kws)
{
foreach (BaseAppControl ctrl in m_mainForm.AppControlTree.Values)
{
KwsApp app = (kws == null) ? null : kws.GetApp(ctrl.ID);
try
{
ctrl.SetDataSource(app);
}
// Handle the error and continue updating the controls source
// if possible.
catch (Exception ex)
{
if (app != null) kws.HandleAppFailure(app, ex);
else Base.HandleException(ex, true);
}
}
}
