ExtensionManager.IsExtension<TInterfaceType> Method (ExtensionHandle)
Checks whether the provided extension handle is valid and is loaded into the current ExtensionManager.
Namespace: Microsoft.Data.Schema.Extensibility
Assembly: Microsoft.Data.Schema (in Microsoft.Data.Schema.dll)
Syntax
'Declaration
Public Function IsExtension(Of TInterfaceType As {Class, IExtension}) ( _
extensionHandle As ExtensionHandle _
) As Boolean
public bool IsExtension<TInterfaceType>(
ExtensionHandle extensionHandle
)
where TInterfaceType : class, IExtension
public:
generic<typename TInterfaceType>
where TInterfaceType : ref class, IExtension
bool IsExtension(
ExtensionHandle^ extensionHandle
)
member IsExtension :
extensionHandle:ExtensionHandle -> bool when 'TInterfaceType : not struct and IExtension
JScript does not support generic types or methods.
Type Parameters
- TInterfaceType
An interface that derives from the IExtension interface.
Parameters
- extensionHandle
Type: Microsoft.Data.Schema.Extensibility.ExtensionHandle
An ExtensionHandle<TInterfaceType> that implements the TInterfaceType interface.
Return Value
Type: System.Boolean
true if the extensionHandle is valid and loaded into the current ExtensionManager; otherwise, false.
.NET Framework Security
- 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.