VCMidlTool.PreprocessorDefinitions 속성

string PreprocessorDefinitions { get; set; }

' add reference to Microsoft.VisualStudio.VCProjectEngine
Imports EnvDTE
Imports Microsoft.VisualStudio.VCProjectEngine

Public Module Module1
    Sub Test()
        Dim prj As VCProject
        Dim cfgs, tools As IVCCollection
        Dim cfg As VCConfiguration
        Dim tool As VCCLCompilerTool
        Dim oldDefs As String
        prj = DTE.Solution.Projects.Item(1).Object
        cfgs = prj.Configurations
        cfg = cfgs.Item(1)
        tool = cfg.Tools("VCCLCompilerTool")
        oldDefs = tool.PreprocessorDefinitions
        tool.PreprocessorDefinitions = "_TEST;" + oldDefs
        MsgBox(tool.PreprocessorDefinitions)
    End Sub
End Module