VCConfiguration.Evaluate Method

项目
12/31/2007

Evaluates the value of a project model or environment macro. See Macros for Build Commands and Properties for more information about these macros.

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

Syntax

声明
Function Evaluate ( _
    In As String _
) As String
用法
Dim instance As VCConfiguration
Dim In As String
Dim returnValue As String

returnValue = instance.Evaluate(In)

string Evaluate(
    string In
)

String^ Evaluate(
    [InAttribute] String^ In
)

function Evaluate(
    In : String
) : String

Parameters

In
Type: System.String

Required. The macro you want to expand.

Return Value

Type: System.String

A string with the expanded macro.

Remarks

If the string you want to evaluate contains no macros, then you get exactly the same string back.

Examples

See How to: Compile Example Code for Project Model Extensibility for information about how to compile and run this example.

The following example uses Evaluate in the integrated development environment (IDE):

' add reference to Microsoft.VisualStudio.VCProjectEngine.
Imports EnvDTE
Imports Microsoft.VisualStudio.VCProjectEngine

Public Module Module1
    Sub Test()
        Dim file As VCFile
        Dim col As IVCCollection
        Dim fileconfig As VCFileConfiguration
        Dim strng As String
        Dim prj As VCProject
        prj = DTE.Solution.Projects.Item(1).Object
        col = prj.Files
        file = col.Item(1)
        col = file.FileConfigurations
        fileconfig = col.Item("Debug|Win32")
        col = prj.Files
        file = col.Item(1)
        col = file.FileConfigurations
        fileconfig = col.Item("Debug|Win32")
        strng = fileconfig.Evaluate("$(TargetDir)")
    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.

通过