MoreEnumerableAssertCountTSource Method (IEnumerableTSource, Int32, FuncInt32, Int32, Exception) | 
 
            Asserts that a source sequence contains a given count of elements.
            A parameter specifies the exception to be thrown.
            
 
    Namespace: 
   MoreLinq
    Assembly:
   MoreLinq (in MoreLinq.dll) Version: 2.5.0
Syntaxpublic static IEnumerable<TSource> AssertCount<TSource>(
	this IEnumerable<TSource> source,
	int count,
	Func<int, int, Exception> errorSelector
)
<ExtensionAttribute>
Public Shared Function AssertCount(Of TSource) ( 
	source As IEnumerable(Of TSource),
	count As Integer,
	errorSelector As Func(Of Integer, Integer, Exception)
) As IEnumerable(Of TSource)
public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ AssertCount(
	IEnumerable<TSource>^ source, 
	int count, 
	Func<int, int, Exception^>^ errorSelector
)
[<ExtensionAttribute>]
static member AssertCount : 
        source : IEnumerable<'TSource> * 
        count : int * 
        errorSelector : Func<int, int, Exception> -> IEnumerable<'TSource> 
Parameters
- source
 - Type: System.Collections.GenericIEnumerableTSource
Source sequence. - count
 - Type: SystemInt32
Count to assert. - errorSelector
 - Type: SystemFuncInt32, Int32, Exception
Function that returns the Exception object to throw. 
Type Parameters
- TSource
 - Type of elements in source sequence.
 
Return Value
Type: 
IEnumerableTSource
            Returns the original sequence as long it is contains the
            number of elements specified by 
count.
            Otherwise it throws the 
Exception object
            returned by calling 
errorSelector.
            
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type 
IEnumerableTSource. 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).
Remarks
            This operator uses deferred execution and streams its results.
            
See Also