VCFilter.CanAddFilter Method (String)


Returns true if the specified filter can be added as a top-level filter or as a subfilter to the current filter.

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

bool CanAddFilter(
	string Filter


Type: System.String

Required. The new filter to be added. The filter name must be unique within the current scope and valid.

Return Value

Type: System.Boolean

true if the filter can be added; 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 uses CanAddFilter in the integrated development environment (IDE):

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

Public Module Module1
    Sub Test()
        Dim mycollection As IVCCollection
        Dim filter As VCFilter
        Dim prj As VCProject
        Dim ret As Boolean
        prj = DTE.Solution.Projects.Item(1).Object
        mycollection = prj.Filters
        'mycollection.Count has count of files
        filter = mycollection.Item(1)
        ret = filter.CanAddFilter("somename")
    End Sub
End Module
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