public static IQueryable<T> DoWhile<T>(
	this IQueryable<T> source,
	Func<IQueryable<T>, IQueryable<T>> body,
	Func<IQueryable<T>, IQueryable<T>, IQueryable<bool>> cond
)

<ExtensionAttribute> 
Public Shared Function DoWhile(Of T) ( 
	source As IQueryable(Of T),
	body As Func(Of IQueryable(Of T), IQueryable(Of T)),
	cond As Func(Of IQueryable(Of T), IQueryable(Of T), IQueryable(Of Boolean))
) As IQueryable(Of T)

public:
[ExtensionAttribute]
generic<typename T>
static IQueryable<T>^ DoWhile(
	IQueryable<T>^ source, 
	Func<IQueryable<T>^, IQueryable<T>^>^ body, 
	Func<IQueryable<T>^, IQueryable<T>^, IQueryable<bool>^>^ cond
)