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)
Syntax
'Declaration
Property KeepComments As Boolean
bool KeepComments { get; set; }
property bool KeepComments {
    bool get ();
    void set (bool value);
}
abstract KeepComments : bool with get, set
function get KeepComments () : boolean 
function set KeepComments (value : boolean)
Property Value
Type: System.Boolean
true if a comment strip from source code is suppressed; otherwise, false.
Examples
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
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.