C# (CSharp) BackgroundWorker.DoGuiAction примеры использования

Пример #1

            public override string ReadLine()
            {
                try
                {
                    bgw.DoGuiAction(GuiAction.ReadStart);
                    bgw.DoGuiAction(GuiAction.ReadLn);
                    semaGetInput.WaitOne(); // wait until text has been entered in tbInput

                    return(tbInput.Text);
                }
                finally
                {
                    semaGetInput.Reset();
                    bgw.DoGuiAction(GuiAction.ReadEnd);
                }
            }