我正在编写基于WPF的代码,用于展示一个包含大约10,000个点的实时折线图。在我的电脑上,需要大约5秒钟才能显示出一张图片。有没有人有想法如何让它更快,只需在0.5秒内完成呢?
class eee : FrameworkElement
{
public eee()
{
_children = new VisualCollection(this);
Random rand = new Random();
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dx = dv.RenderOpen())
{
Pen drawingPen = new Pen(Brushes.Black, 1);
double x=rand.Next(300);
double y = rand.Next(300);
for (double i = 0; i < 1000; i = i + 0.1)
{
y = 100 + rand.Next(100);
dx.DrawLine(drawingPen, new Point(i, x), new Point(i + 1, y));
x = y;
}
}
_children.Add(dv);
}