Shortest way to write a thread-safe access method to a windows forms control

Question

In this article:

http://msdn.microsoft.com/en-us/library/ms171728(VS.80).aspx

The author uses the following method to make thread-safe calls to a Windows For

Answer 1

This may be obvious to most, but you can take the accepted answer and add another method if you need to retrieve the value...

public static T SynchronizedFunc(this ISynchronizeInvoke sync, Func func)
{
    if (!sync.InvokeRequired)
    {
        // Execute the function
        return func();
    }

    // Marshal onto the context
    return (T) sync.Invoke(func, new object[] { });
}

I used this recently to get handle of the form in a thread-safe way...

var handle = f.SynchronizedFunc(() => f.Handle);