I\'ve got a simple little winforms app that performs a long running process on another thread via a TPL Task. During this long running process I\'d like to update the UI (t
Yes, you can explicitly call BeginInvoke on the Window/Control that you want to communicate with. In your case this would look like this:
this.textBox.BeginInvoke(new Action(() => { this.textBox.Text = "From child task."; }));