/// <summary>
/// Called when removing a delegate from an event, see the
/// GroundPlane.Changed event for an example.
/// </summary>
/// <param name="type">
/// The event watcher type index
/// </param>
/// <param name="value">
/// Delegate to remove
/// </param>
public static void Remove(UnsafeNativeMethods.EventSyncDocumentSettingsChangedFlag type, EventHandler <RenderPropertyChangedEvent> value)
{
// Remove from the dictionary
if (g_event_dictionary.ContainsKey(type))
{
g_event_dictionary[type] -= value;
}
// If there are still event hooks set then bail
if (!IsEmpty)
{
return;
}
// There are no event hooks set so call into rhcmnrdk_c to set the
// callback hook to null.
UnsafeNativeMethods.CRdkCmnEventWatcher_SetDocumentSettingsChangedEventCallback(null, Rhino.Runtime.HostUtils.m_rdk_ew_report);
g_settings_changed_hook = null;
}
/// <summary>
/// Called when adding a delegate to a event, see the GroundPlane.Changed
/// event for an example.
/// </summary>
/// <param name="type">
/// The event watcher type index
/// </param>
/// <param name="value">
/// Delegate to add
/// </param>
public static void Add(UnsafeNativeMethods.EventSyncDocumentSettingsChangedFlag type, EventHandler <RenderPropertyChangedEvent> value)
{
// If the callback hook has not been set then set it now
if (g_settings_changed_hook == null)
{
// Call into rhcmnrdk_c to set the callback hook
g_settings_changed_hook = OnSettingsChanged;
UnsafeNativeMethods.CRdkCmnEventWatcher_SetDocumentSettingsChangedEventCallback(g_settings_changed_hook, Rhino.Runtime.HostUtils.m_rdk_ew_report);
}
if (!g_event_dictionary.ContainsKey(type))
{
g_event_dictionary.Add(type, null);
}
// Need to do this to ensure the delegate does not get added twice
g_event_dictionary[type] -= value;
// Add the new delegate to the event list
g_event_dictionary[type] += value;
}
