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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

VCCLCompilerTool.KeepComments Property

Gets or sets a value indicating whether to suppress a comment strip from source code. KeepComments exposes the functionality of the compiler's /C (Preserve Comments During Preprocessing) option.

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

'Declaration
Property KeepComments As Boolean
'Usage
Dim instance As VCCLCompilerTool 
Dim value As Boolean 

value = instance.KeepComments

instance.KeepComments = value

Property Value

Type: System.Boolean
true if a comment strip from source code is suppressed; otherwise, false.

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

The following example modifies the KeepComments 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.GeneratePreprocessedFile = preprocessOption.preprocessYes
        tool.KeepComments = True
    End Sub
End Module

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