AdditionalUsingDirectories Property
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VCCLCompilerTool.AdditionalUsingDirectories Property

Gets or sets a directory to search to resolve file references passed to the The #using Directive directive. AdditionalUsingDirectories exposes the functionality of the compiler's /AI (Specify Metadata Directories) option.

Namespace:  Microsoft.VisualStudio.VCProjectEngine
Assembly:  Microsoft.VisualStudio.VCProjectEngine (in Microsoft.VisualStudio.VCProjectEngine.dll)

function get AdditionalUsingDirectories () : String 
function set AdditionalUsingDirectories (value : String)

Property Value

Type: System.String
A directory to search to resolve file references passed to the The #using Directive directive.

See How to: Compile Example Code for Project Model Extensibility for information on how to compile and run this example.

The following example modifies the AdditionalUsingDirectories property in the integrated development environment (IDE):

' 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
        prj = DTE.Solution.Projects.Item(1).Object
        cfgs = prj.Configurations
        cfg = cfgs.Item(1)
        tool = cfg.Tools("VCCLCompilerTool")
        tool.AdditionalUsingDirectories = "\MyPath"
        MsgBox(tool.AdditionalIncludeDirectories)
    End Sub
End Module

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