类图生成代码 Visualization_and_Modeling_Feature_Pack_Runtime.vsix en_visual_studio_2010_visualization_modeling_feature_pack_x86_x64_535571.vsix 安装，类图右键“Generate Code”生成代码， 如果提示 %LocalAppData% 找不到，把环境变量LocalAppData 设置为C:\Documents and Settings\Administrator\Local Settings\Application Data 即可