btn.Content = "Привіт"; btn.Foreground = Brushes.Blue; btn.Background = Brushes.Red; btn.FontSize = 40; btn.FontWeight = FontWeights.Bold; btn.Opacity = 0.2; label.Content textBox.Text textBlock.Text XAML <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="72"> Привіт, WPF! </TextBlock> Foreground="Red" FontWeight="Bold" |