public IEnumerable RaiseSelectEventOnHost()
{
var eventType = ParentHost.GetType().GetEvent(SelectEvent).EventHandlerType;
var eventArgsTypes = eventType.GetGenericArguments();
var eventArgsType = eventArgsTypes.Length == 0 ? null : eventArgsTypes[0];
var paramValues = selectEventParameters.GetValues(Context, this);
var eventArgsParams = paramValues.Values.Cast <object>().ToArray();
var parameterTypes = selectEventParameters.OfType <Parameter>()
.Select(p => ConvertToType(p.Type)).ToArray();
var eventArgsCtor = eventArgsType.GetConstructor(parameterTypes);
var eventArgs = eventArgsCtor.Invoke(eventArgsParams) as EventArgs;
RaiseEventOnHost(SelectEvent, eventArgs);
var model = ParentHost.GetType()
.GetProperty("Model")
.GetValue(ParentHost, null);
var result = model.GetType()
.GetProperty(SelectResult)
.GetValue(model, null)
as IEnumerable;
return(result);
}
/// <summary>
/// This method returns the Message
/// </summary>
public void SendMessage(string text)
{
// if the ParentHost exists
if (HasParentHost)
{
// Add to the text of the query string
ParentHost.AppendQueryText(text);
}
}
private void RaiseEventOnHost(string eventName, EventArgs e)
{
var eventDelegate = ParentHost.GetType().BaseType
.GetField(eventName, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
.GetValue(ParentHost) as MulticastDelegate;
if (eventDelegate != null)
{
foreach (var handler in eventDelegate.GetInvocationList())
{
handler.Method.Invoke(handler.Target, new[] { ParentHost, e });
}
}
}
