代码如下:
为窗体添加loaded事件
private void Window_Loaded_1(object sender, RoutedEventArgs e) { this.Opacity = 0; DispatcherTimer timer1 = new DispatcherTimer(); timer1.Interval = TimeSpan.FromMilliseconds(100); timer1.Tick += Timer_Tick; timer1.Start(); }
定时器回调部分:
private void Timer_Tick(object sender,System.EventArgs e) { if (this.Opacity < 1) { this.Opacity += 0.1; } }
由于定时器渐显效果实现完毕后已经没有作用所以,上面代码可以优化为下面所示,以节省系统资源
将timer1设为全局变量
DispatcherTimer timer1 = new DispatcherTimer();
private void Window_Loaded_1(object sender, RoutedEventArgs e) { this.Opacity = 0; timer1.Interval = TimeSpan.FromMilliseconds(100); timer1.Tick += Timer_Tick; timer1.Start(); }定时器回调部分:
private void Timer_Tick(object sender,System.EventArgs e) { if (this.Opacity < 1) { this.Opacity += 0.1; } else { timer1.Stop(); } }