Catel.Windows.DataWindow.OnCancelExecuteAsync C# (CSharp) Method

        protected async Task OnCancelExecuteAsync()
        {
            if (!await DiscardChangesAsync())
            {
                return;
            }

            ClosedByButton = true;
            if (!SetDialogResultAndMakeSureWindowGetsClosed(false))
            {
                Close();
            }
        }