VCMidlTool::CPreprocessOptions Property

Visual Studio 2015
 

Gets or sets a C-compiler preprocessor option to pass to the MIDL compiler.

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

C#
C++
F#
VB
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property String^ CPreprocessOptions {
	String^ get();
	void set(String^ value);
}

Property Value

Type: System::String^

A C-compiler preprocessor option.

CPreprocessOptions exposes the functionality of the /cpp_opt MIDL option.

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 CPreprocessOptions property in the integrated development environment (IDE):

[Visual Basic]

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' 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 VCMidlTool
        prj = DTE.Solution.Projects.Item(1).Object
        cfgs = prj.Configurations
        cfg = cfgs.Item(1)
        tool = cfg.Tools("VCMIDLTool")
        tool.CPreprocessOptions = "test"
    End Sub
End Module
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