C#怎么改变 tabControl 选项卡背景色(如图) 5
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设定 Background 属性, 比如 item.Background = Brushes.Red; 更高级的例子: void ChangeBackground(object sender, RoutedEventArgs e) { if (btn.Background == Brushes.Red) { btn.Background = new LinearGradientBrush(Colors.LightBlue, Colors.SlateBlue, 90); btn.Content = "Control background changes from red to a blue gradient."; } else { btn.Background = Brushes.Red; btn.Content = "Background"; } } 上面的例子使用 LinearGradientBrush ,显示线性渐变
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