Unable to open project file to perform upgrade 无法打开项目文件以执行升级
The project file cannot be opened 无法打开项目文件。
999 ( that is , maximum open project files minus 1 for the resource pool itself ) 999 (即打开项目文件的最大值减1 )
When it is necessary to edit an msbuild project directly , you can open the project file in the visual studio xml editor 需要直接编辑msbuild项目时,可以在visual studio xml编辑器中打开项目文件。
To modify arbitrary properties in visual studio , you must open the project file in the xml editor and edit them by hand 若要在visual studio中修改任意属性,必须在xml编辑器中打开项目文件,并手动编辑它们。