/// <summary>
/// Creates a static delegate from an Action, allowing the action's target to be provided at a later time.
/// </summary>
/// <param name="methodInfo">The method to create an OpenAction from.</param>
/// <returns>An OpenAction not ties to any specific target.</returns>
/// <exception cref="ArgumentException"><paramref name="methodInfo"/> is referencing a static method.</exception>
public static Action <object, TParam1, TParam2> CreateOpenAction <TParam1, TParam2>(MethodInfo methodInfo)
{
if (methodInfo.IsStatic)
{
throw new ArgumentException("Cannot create open action from static method", "methodInfo");
}
IOpenActionFactory factory = CreateOpenActionFactory(methodInfo.DeclaringType);
return(factory.CreateOpenAction <TParam1, TParam2>(methodInfo));
}
private static IOpenActionFactory CreateOpenActionFactory(Type targetType)
{
lock (typeof(OpenAction))
{
if (_lastFactoryTargetType != targetType)
{
Type openActionFactoryType = typeof(OpenActionFactory <>).MakeGenericType(targetType);
_lastFactory = (IOpenActionFactory)Activator.CreateInstance(openActionFactoryType);
_lastFactoryTargetType = targetType;
}
return(_lastFactory);
}
}