Partager via


ExtensionContextExtensions.AtLeastOneSelected<T> Method (IVsSelectionContext)

Helper returning true if the selection contains at least an element of type T

Namespace:  Microsoft.VisualStudio.Modeling.Diagrams.ExtensionEnablement
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.Diagrams.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.Diagrams.10.0.dll)

Syntax

'Déclaration
<ExtensionAttribute> _
Public Shared Function AtLeastOneSelected(Of T As Class) ( _
    context As IVsSelectionContext _
) As Boolean
public static bool AtLeastOneSelected<T>(
    this IVsSelectionContext context
)
where T : class
[ExtensionAttribute]
public:
generic<typename T>
where T : ref class
static bool AtLeastOneSelected(
    IVsSelectionContext^ context
)
static member AtLeastOneSelected : 
        context:IVsSelectionContext -> bool  when 'T : not struct
JScript does not support generic types or methods.

Type Parameters

  • T
    Type of the element

Parameters

Return Value

Type: System.Boolean

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IVsSelectionContext. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

.NET Framework Security

See Also

Reference

ExtensionContextExtensions Class

AtLeastOneSelected Overload

Microsoft.VisualStudio.Modeling.Diagrams.ExtensionEnablement Namespace