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VCCLCompilerTool.WarnAsError Property

Gets or sets a value indicating whether to enable the compiler to treat all warnings as errors. WarnAsError exposes the functionality of the C++ compiler's /w, /Wn, /WX, /Wall, /wln, /wdn, /wen, /won (Warning Level) option and the MIDL compiler's MIDL Property Pages: General option.

Namespace: Microsoft.VisualStudio.VCProjectEngine
Assembly: Microsoft.VisualStudio.VCProjectEngine (in microsoft.visualstudio.vcprojectengine.dll)

bool WarnAsError { get; set; }
/** @property */
boolean get_WarnAsError ()

/** @property */
void set_WarnAsError (/** @attribute InAttribute() */ boolean WarnAsError)

function get WarnAsError () : boolean

function set WarnAsError (WarnAsError : boolean)

Property Value

true if the compiler treats all warnings as errors; 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 compiler's WarnAsError 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.WarnAsError = True
    End Sub
End Module
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