How to check if object is created in the main thread

Question

I encountered in question without an answer in WPF (C#), I would like some help.

I want to check if an object is created in the main(UI) thread, is there a way to do it?

(Object such as a list, collection, etc.)

EDIT

I am trying to reduce the use of Dispatcher.Invoke (and Dispatcher.CheckAccsess), because it slows down the system.

I have an object that when it binding to the UI I need the Invoke, but many times it was created in a different thread and there is no need in Invoke and it can set from the current thread.

Why on earth would you want to do that? Can you tell a little more about what you are trying to resolve? Maybe there are other ways to fix whatever you are encountering. — Peter Bons, Jun 01 '16 at 07:56
Objects such as 'list, collection etc' don't have any thread affinity, so it's not really possible nor clear why you'd want to do this. — Charles Mager, Jun 01 '16 at 08:02

score 1 · Accepted Answer · edited May 23 '17 at 12:07

You can do the check in an Extension method:

public static void Invoke<T>(this T c, Action<T> action) where T : Control
{
    if (c.Dispatcher.CheckAccess()))
        control.Dispatcher.Invoke(...)
    else
        action(c);
}

(based on A better way to write extension method to invoke a control?)

Other then using extension methods to create better looking code there is no way to check what tread is used to create an object.

Are you using async/await? Because that might reduce the need to do this. Can you show some code where you are accessing the UI from another thread? Maybe you can reduce that situation.

How to check if object is created in the main thread

EDIT

1 Answers1