AutoWikiBrowser.MainForm.ResetFind C# (CSharp) Метод

        private void ResetFind(object sender, EventArgs e)
        {
            txtEdit.ResetFind();

            if (sender is RichTextBox)
            {
                RichTextBox rtb = (RichTextBox)sender;

                // disable TextChanged temporarily under Mono otherwise get infinite loop
                if(Globals.UsingMono)
                    txtFind.TextChanged -= ResetFind;

                rtb.ResetFormatting();

                if(Globals.UsingMono)
                    txtFind.TextChanged += ResetFind;
            }

            btnFind.Enabled = txtFind.TextLength > 0;

            if (!btnFind.Enabled)
                btnFind.BackColor = SystemColors.ButtonFace;
        }