VCCLCompilerTool.UsePrecompiledHeader Property
Gets or sets a value that enables the creation or use of a precompiled header during the build. UsePrecompiledHeader exposes the functionality of the compiler's /Yc (Create Precompiled Header File) and /Yu (Use Precompiled Header File) options.
Namespace: Microsoft.VisualStudio.VCProjectEngine
Assembly: Microsoft.VisualStudio.VCProjectEngine (in Microsoft.VisualStudio.VCProjectEngine.dll)
Syntax
Property UsePrecompiledHeader As pchOption
Dim instance As VCCLCompilerTool
Dim value As pchOption
value = instance.UsePrecompiledHeader
instance.UsePrecompiledHeader = value
pchOption UsePrecompiledHeader { get; set; }
property pchOption UsePrecompiledHeader {
pchOption get ();
void set (pchOption value);
}
function get UsePrecompiledHeader () : pchOption
function set UsePrecompiledHeader (value : pchOption)
Property Value
Type: Microsoft.VisualStudio.VCProjectEngine.pchOption
A pchOption value.
Remarks
Use the pchOption enumeration to change the value of this property.
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 UsePrecompiledHeader 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.UsePrecompiledHeader = pchOption.pchGenerateAuto
End Sub
End Module
Permissions
- 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.