Petzold.PrintWithMargins.PageMarginsDialog.TextBoxOnTextChanged C# (CSharp) Method

TextBoxOnTextChanged() private method

private TextBoxOnTextChanged ( object sender, System.Windows.Controls.TextChangedEventArgs args ) : void
sender object
args System.Windows.Controls.TextChangedEventArgs
return void
        void TextBoxOnTextChanged(object sender, TextChangedEventArgs args)
        {
            double result;
            btnOk.IsEnabled = Double.TryParse(txtbox[(int)Side.Left].Text, out result) &&
                Double.TryParse(txtbox[(int)Side.Right].Text, out result) &&
                Double.TryParse(txtbox[(int)Side.Top].Text, out result) &&
                Double.TryParse(txtbox[(int)Side.Bottom].Text, out result);
        }