VCCLCompilerTool.UndefinePreprocessorDefinitions - свойство
Gets or sets a value that specifies one or more preprocessor undefines. UndefinePreprocessorDefinitions exposes the functionality of the C++ compiler's /U, /u (Undefine Symbols) option and the MIDL compiler's MIDL Property Pages: Advanced option.
Пространство имен: Microsoft.VisualStudio.VCProjectEngine
Сборка: Microsoft.VisualStudio.VCProjectEngine (в Microsoft.VisualStudio.VCProjectEngine.dll)
Синтаксис
'Декларация
Property UndefinePreprocessorDefinitions As String
'Применение
Dim instance As VCCLCompilerTool
Dim value As String
value = instance.UndefinePreprocessorDefinitions
instance.UndefinePreprocessorDefinitions = value
string UndefinePreprocessorDefinitions { get; set; }
property String^ UndefinePreprocessorDefinitions {
String^ get ();
void set (String^ value);
}
function get UndefinePreprocessorDefinitions () : String
function set UndefinePreprocessorDefinitions (value : String)
Значение свойства
Тип: System.String
A string that specifies one or more preprocessor undefines.
Примеры
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 UndefinePreprocessorDefinitions 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
Dim oldUndefs As String
prj = DTE.Solution.Projects.Item(1).Object
cfgs = prj.Configurations
cfg = cfgs.Item(1)
tool = cfg.Tools("VCCLCompilerTool")
oldUndefs = tool.UndefinePreprocessorDefinitions
tool.UndefinePreprocessorDefinitions = "_DEBUG;" + oldUndefs
MsgBox(tool.UndefinePreprocessorDefinitions)
End Sub
End Module
Разрешения
- Полное доверие для непосредственно вызывающего метода. Этот член не может быть использован частично доверенным кодом. Дополнительные сведения см. в разделе Using Libraries from Partially Trusted Code.