/// <summary>
/// 滑条缓变动画
/// </summary>
/// <param name="sliname">指定控件</param>
/// <param name="from">起始值</param>
/// <param name="to">目标值</param>
/// <param name="time">持续时间(ms)</param>
public static void FloatSlider(Slider sliname, double from, double to, int time)
{
lock (sliname)
{
EasingFunctionBase easeFunction = new PowerEase()
{
EasingMode = EasingMode.EaseOut,
Power = 5
};
DoubleAnimation slianimation = new DoubleAnimation()
{
From = from,
To = to,
EasingFunction = easeFunction, //缓动函数
Duration = TimeSpan.FromMilliseconds(time) //动画播放时间
};
EventHandler handler = null;
slianimation.Completed += handler = (s, e) =>
{
sliname.Value = to;
slianimation.Completed -= handler;
slianimation = null;
};
sliname.BeginAnimation(Slider.ValueProperty, slianimation);
}
}
private void Image_MouseEnter(object sender, MouseEventArgs e)
{
if (SliderExpanded)
{
return;
}
SliderExpanded = true;
DoubleAnimation da = new DoubleAnimation();
da.From = Slider.ActualWidth;
da.To = 150;
double? x = da.To - da.From;
Thickness t = new Thickness(0, 0, (int)x, 0);
ThicknessAnimation ta = new ThicknessAnimation();
ta.From = Slider.Margin;
ta.To = t;
ta.Duration = TimeSpan.FromSeconds(AnimationDuration);
da.Duration = TimeSpan.FromSeconds(AnimationDuration);
Slider.BeginAnimation(WidthProperty, da);
sw.Start();
Task.Factory.StartNew(() => ExpandSlider());
// ExpandSlider();
//Slider.BeginAnimation(MarginProperty, ta);
}
private void FoldSlider()
{
sw.Reset();
sw.Stop();
SliderExpanded = false;
DoubleAnimation da = new DoubleAnimation();
da.From = Slider.ActualWidth;
da.To = 0;
da.Duration = TimeSpan.FromSeconds(AnimationDuration);
Slider.BeginAnimation(WidthProperty, da);
}
/// <summary>
/// 滑条缓变动画
/// </summary>
/// <param name="sliname">指定控件</param>
/// <param name="to">目标值</param>
/// <param name="time">持续时间(ms)</param>
public static void FloatSlider(Slider sliname, double to, int time)
{
lock (sliname)
{
EasingFunctionBase easeFunction = new PowerEase()
{
EasingMode = EasingMode.EaseOut,
Power = 5
};
DoubleAnimation slianimation = new DoubleAnimation()
{
To = to,
EasingFunction = easeFunction, //缓动函数
Duration = TimeSpan.FromMilliseconds(time) //动画播放时间
};
sliname.BeginAnimation(Slider.ValueProperty, slianimation);
}
}
