c# 画曲线图，多条曲线显示

[{"title":"（ 109 个子文件 861KB ） c# 画曲线图，多条曲线显示","children":[{"title":"划线以及坐标.sln <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false},{"title":"SJDraw.csproj.vspscc <span style='color:#111;'> 272B </span>","children":null,"spread":false},{"title":"SJDrawGraphic.cs <span style='color:#111;'> 45.96KB </span>","children":null,"spread":false},{"title":"SJDraw.dll <span style='color:#111;'> 80.50KB </span>","children":null,"spread":false},{"title":"SJDraw.csprojResolveAssemblyReference.cache <span style='color:#111;'> 1.95KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]