wpf画图性能的问题，解决方法的。Wpf绘制高性能绘制曲线

wpf画图性能的问题，解决方法的示例。Wpf绘制高性能绘制曲线

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-03-21 20:18  WpfCurvePaint\
     目录           0  2014-03-21 20:19  WpfCurvePaint\WpfPaint\
     目录           0  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\
     文件         914  2014-03-21 15:47  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint.sln
     文件       43520  2014-03-21 17:03  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint.v11.suo
     文件       54272  2014-03-21 21:01  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint.v12.suo
     目录           0  2019-05-06 10:56  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\
     文件         167  2014-03-21 15:54  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\App.config
     文件         319  2014-03-21 15:47  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\App.xaml
     文件         335  2014-03-21 15:47  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\App.xaml.cs
     目录           0  2019-05-06 10:56  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\
     目录           0  2019-05-06 10:56  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\
     文件       14336  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.exe
     文件         167  2014-03-21 15:54  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.exe.config
     文件       44544  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.pdb
     文件       24216  2014-03-21 21:02  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.vshost.exe
     文件         167  2014-03-21 15:54  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.vshost.exe.config
     文件         490  2013-06-18 20:28  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\bin\Debug\WpfPaint.vshost.exe.manifest
     文件         467  2014-03-21 20:50  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\MainWindow.xaml
     文件         999  2014-03-21 20:55  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\MainWindow.xaml.cs
     文件         883  2014-03-21 20:21  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\MinuteQuoteViewModel.cs
     目录           0  2019-05-06 10:56  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\
     目录           0  2019-05-06 10:56  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\
     文件        2304  2014-03-21 20:32  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\App.g.cs
     文件        2304  2014-03-21 20:32  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\App.g.i.cs
     文件        7020  2014-03-21 21:02  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        3015  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\GeneratedInternalTypeHelper.g.cs
     文件        3015  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\GeneratedInternalTypeHelper.g.i.cs
     文件        1119  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\MainWindow.baml
     文件        3992  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\MainWindow.g.cs
     文件        3992  2014-03-21 20:59  WpfCurvePaint\WpfPaint\WpfPaint\WpfPaint\obj\Debug\MainWindow.g.i.cs
............此处省略23个文件信息