/// <summary>
/// Registers the specified handler. Returns handle to registration which can be used in Unregister method.
/// </summary>
/// <param name="handler">The handler function. This can be null if only suppression is required.</param>
/// <param name="priority">The priority where higher priority gets called last.</param>
/// <param name="count">The count. Set zero or negative for infinite, otherwise the handler is called this many times before automatically removed.</param>
/// <param name="flags">The flags of registration.</param>
/// <returns></returns>
public long Register(EventHandler handler, int priority = 0, int count = 0, EventRegistrationFlags flags = EventRegistrationFlags.None)
{
string pluginKey = null;
int pluginVer = 0;
var assembly = System.Reflection.Assembly.GetCallingAssembly();
if (assembly != null)
{
if (assembly == Main.FrameworkAssembly)
{
pluginKey = string.Empty;
pluginVer = Main.FrameworkVersion;
}
else
{
var plugin = PluginManager.GetPlugin(assembly);
if (plugin != null)
{
pluginKey = plugin.InternalKey;
pluginVer = plugin.InternalVersion;
}
}
}
lock (this.Locker)
{
return(this._Register(handler, priority, count, flags, pluginKey, pluginVer));
}
}
/// <summary>
/// Register a new event handler.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="priority">The priority.</param>
/// <param name="totalCount">The total count.</param>
/// <param name="flags">The flags.</param>
/// <param name="fromPluginKey">The plugin.</param>
/// <param name="fromPluginVersion">The plugin version.</param>
/// <returns></returns>
internal protected long _Register(Delegate handler, int priority, int totalCount, EventRegistrationFlags flags, string fromPluginKey, int fromPluginVersion)
{
var registration = new EventRegistration();
registration.Guid = Main.GenerateGuid();
registration.Handler = handler;
registration.Priority = priority;
registration.TotalCount = totalCount;
registration.CurrentCount = totalCount;
registration.Flags = flags;
if (fromPluginKey != null)
{
registration.PluginKey = fromPluginKey;
registration.PluginVer = fromPluginVersion;
}
else
{
registration.PluginKey = null;
registration.PluginVer = 0;
}
this._Register(registration);
this._Recalculate();
return(registration.Guid);
}
