VC6Projects Property MSBuild Extension Pack Help 4.0.12.0
Sets the .dsp/.dsw projects to build.

Namespace: MSBuild.ExtensionPack.VisualStudio
Assembly: MSBuild.ExtensionPack (in MSBuild.ExtensionPack.dll) Version: 4.0.0.0
Remarks

An additional Projects metadata item may be specified for each project to indicate which workspace project(s) to build. If none is supplied, the special-case 'ALL' project name is used to inform MSDEV to build all projects contained within the workspace/project.
See Also

Reference