PlaceholderExtensionsTryGetContextT - метод

public static T TryGetContext<T>(
	this IPlaceholderContext context
)
where T : class

<ExtensionAttribute>
Public Shared Function TryGetContext(Of T As Class) ( 
	context As IPlaceholderContext
) As T

public:
[ExtensionAttribute]
generic<typename T>
where T : ref class
static T TryGetContext(
	IPlaceholderContext^ context
)

[<ExtensionAttribute>]
static member TryGetContext : 
        context : IPlaceholderContext -> 'T  when 'T : not struct