How to communicate between two UI Threads

In a c# windows application i have 2 forms namely form1 and form2 in the form one if i click a button it will show the form 2 with a label. I want to pass a value from form1 to form2 label control. But i get cross thread violation error. I searched the net but i all the discussions are about communication between UI Thread and Backgroundworker Thread. How i can communicate between this Two UI Threads?
private void btnStart_Click(object sender, EventArgs e)
            form2 mform = new form2();
            System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(mform.Show));
            for (int i = 0; i < 100; i++)
                mform.label1.Text = i.ToString();   // <-----   Cross Thread Violation Here

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Same was as if you're calling from a background worker...

You need to call .Invoke on the "other" form and pass a method to set the label value etc.
(was) -> (way)
Dirk HaestProject managerCommented:
Perhaps you should take a look at this article: Updating the UI from a Secondary Thread

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