C#winfrom打开三维图DWG、DXF、EASM等图片文件

[{"title":"（ 240 个子文件 176.76MB ） C#winfrom打开三维图DWG、DXF、EASM等图片文件","children":[{"title":"操作步骤.docx <span style='color:#111;'> 335.98KB </span>","children":null,"spread":false},{"title":"B-缺口板2.SLDPRT <span style='color:#111;'> 179.17KB </span>","children":null,"spread":false},{"title":"B-缺口板--3.SLDPRT <span style='color:#111;'> 233.24KB </span>","children":null,"spread":false},{"title":"B-缺口板2.eprt <span style='color:#111;'> 22.68KB </span>","children":null,"spread":false},{"title":"套料图.dxf <span style='color:#111;'> 239.13KB </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}]