C# compile error: “Invoke or BeginInvoke cannot be called on a control until the window handle has been created.”

Question

I just posted a question about how to get a delegate to update a textbox on another form. Just when I thought I had the answer using Invoke...this happens. Here is my code:<

Answer 1

I found the InvokeRequired not reliable, so I simply use

if (!this.IsHandleCreated)
{
    this.CreateHandle();
}