System::Collections::Generic::IEnumerable< T > Class Template Reference

Inherits System::Object.

Inherited by System::Collections::Generic::ICollection< T > [virtual], System::Collections::Generic::Queue< T >, System::Collections::Generic::Stack< T >, System::Xml::XmlAttributeCollection, and System::Xml::XmlNodeList.

Public Types
typedef IEnumerator< T >	IEnumeratorType
	Enumerator type. More...
using	ValueType = T
Public Types inherited from System::Object
typedef SmartPtr< Object >	ptr
	Alias for smart pointer type. More...
typedef System::Details::SharedMembersType	shared_members_type
	structure to keep list of shared pointers contained in object. More...

Public Member Functions
virtual SharedPtr< IEnumerator< T > >	GetEnumerator ()=0
T	LINQ_ElementAt (int index)
T	LINQ_First ()
T	LINQ_FirstOrDefault ()
T	LINQ_FirstOrDefault (std::function< bool(T)> predicate)
T	LINQ_Last ()
T	LINQ_LastOrDefault ()
SharedPtr< List< T > >	LINQ_ToList ()
int	LINQ_Count ()
System::ArrayPtr< T >	LINQ_ToArray ()
bool	LINQ_All (std::function< bool(T)> predicate)
bool	LINQ_Any ()
bool	LINQ_Any (std::function< bool(T)> predicate)
SharedPtr< IEnumerable< T > >	LINQ_Where (std::function< bool(T)> predicate)
bool	LINQ_Contains (T value)
template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_Cast ()
template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_OfType ()
template<typename ResultType >
SharedPtr< IEnumerable< ResultType > >	LINQ_Select (const Func< T, ResultType > &selector)
template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_Cast ()
template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_OfType ()
template<typename Result >
SharedPtr< IEnumerable< Result > >	LINQ_Select (const Func< Source, Result > &selector)
Public Member Functions inherited from System::Object
ASPOSECPP_SHARED_API	Object ()
	Creates object. Initializes all internal data structures. More...
virtual ASPOSECPP_SHARED_API	~Object ()
	Destroys object. Frees all internal data structures. More...
ASPOSECPP_SHARED_API	Object (Object const &x)
	Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
Object &	operator= (Object const &x)
	Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
Object *	SharedRefAdded ()
	Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
int	SharedRefRemovedSafe ()
	Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
int	RemovedSharedRefs (int count)
	Decreases shared reference count by specified value. More...
Detail::SmartPtrCounter *	WeakRefAdded ()
	Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
void	WeakRefRemoved ()
	Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
Detail::SmartPtrCounter *	GetCounter ()
	Gets reference counter data structure associated with the object. More...
int	SharedCount () const
	Gets current value of shared refernce counter. More...
ASPOSECPP_SHARED_API void	Lock ()
	Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...
ASPOSECPP_SHARED_API void	Unlock ()
	Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...
virtual ASPOSECPP_SHARED_API bool	Equals (ptr obj)
	Compares objects using C# Object.Equals semantics. More...
virtual ASPOSECPP_SHARED_API int	GetHashCode () const
	Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...
virtual ASPOSECPP_SHARED_API String	ToString () const
	Analog of C# Object.ToString() method. Enables converting custom objects to string. More...
virtual ASPOSECPP_SHARED_API ptr	MemberwiseClone () const
	Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...
virtual ASPOSECPP_SHARED_API const TypeInfo &	GetType () const
	Gets actual type of object. Analog of C# System.Object.GetType() call. More...
virtual ASPOSECPP_SHARED_API bool	Is (const TypeInfo &targetType) const
	Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...
virtual ASPOSECPP_SHARED_API void	SetTemplateWeakPtr (unsigned int argument)
	Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...
template<>
bool	Equals (float const &objA, float const &objB)
template<>
bool	Equals (double const &objA, double const &objB)
template<>
bool	ReferenceEquals (String const &str, std::nullptr_t)
template<>
bool	ReferenceEquals (String const &str1, String const &str2)

Protected Member Functions
	~IEnumerable () override
	Destructor. More...

Additional Inherited Members
Static Public Member Functions inherited from System::Object
static bool	ReferenceEquals (ptr const &objA, ptr const &objB)
	Compares objects by reference. More...
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, T const &objB)
	Compares objects by reference. More...
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type	ReferenceEquals (T const &objA, std::nullptr_t)
	Reference-compares value type object with nullptr. More...
template<typename T1 , typename T2 >
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares reference type objects in C# style. More...
template<typename T1 , typename T2 >
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type	Equals (T1 const &objA, T2 const &objB)
	Compares value type objects in C# style. More...
static const TypeInfo &	Type ()
	Impleemnts C# typeof(System.Object) construct. More...

Detailed Description

template<typename T>
class System::Collections::Generic::IEnumerable< T >

Interface of object providing enumerator on contained elements.

Template Parameters

T	Element type.

Member Typedef Documentation

IEnumeratorType

template<typename T>

typedef IEnumerator<T> System::Collections::Generic::IEnumerable< T >::IEnumeratorType

Enumerator type.

ValueType

template<typename T>

using System::Collections::Generic::IEnumerable< T >::ValueType = T

Constructor & Destructor Documentation

~IEnumerable()

template<typename T>

System::Collections::Generic::IEnumerable< T >::~IEnumerable ( )

inlineoverrideprotected

Destructor.

Member Function Documentation

GetEnumerator()

template<typename T>

virtual SharedPtr<IEnumerator<T> > System::Collections::Generic::IEnumerable< T >::GetEnumerator ( )

pure virtual

Gets enumerator.

Returns

Pointer to newly created enumerator object which can be used to iterate through interfaced object.

Implemented in System::Net::Http::Headers::HttpHeaderValueCollection< System::String >, System::Collections::Generic::SortedList< TKey, TValue >, Aspose::Pdf::Forms::Form, System::Array< T >, System::Collections::Generic::ArrayList< T >, System::Collections::Generic::ArrayList< MatchPtr >, Aspose::Pdf::XImageCollection, Aspose::Pdf::Forms::Field, Aspose::Pdf::Facades::PdfXmpMetadata, Aspose::Pdf::PageCollection, Aspose::Pdf::Annotations::AppearanceDictionary, System::Collections::Generic::LinkedList< T >, Aspose::Pdf::OutlineItemCollection, Aspose::Pdf::Text::TableElementCollection< T >, Aspose::Pdf::Annotations::AnnotationCollection, Aspose::Pdf::OperatorCollection, Aspose::Pdf::Text::FontCollection, System::Net::Http::Headers::HttpHeaderValueCollection< T >, System::Collections::Generic::List< T >, System::Collections::Generic::List< SharedPtr< X509Extension > >, System::Collections::Generic::List< CapturePtr >, System::Collections::Generic::List< System::SharedPtr< Aspose::Pdf::Facades::Bookmark > >, System::Collections::Generic::List< GroupPtr >, System::Collections::Generic::List< SharedPtr< X509Certificate > >, System::Collections::Generic::List< System::SharedPtr< Aspose::Pdf::Annotations::AnnotationCollection::AnnotationHandler > >, System::Collections::Generic::List< SharedPtr< X509Certificate2 > >, System::Collections::Generic::List< System::SharedPtr< SoapHeader > >, System::Collections::Generic::Dictionary< TKey, TValue >, System::Collections::Generic::Dictionary< String, String >, System::Collections::Generic::Dictionary< System::String, System::String >, System::Collections::BitArray, Aspose::Pdf::Text::TextSegmentCollection, System::Collections::Generic::SortedDictionary< TKey, TValue >, Aspose::Pdf::OutlineCollection, Aspose::Pdf::Metadata, Aspose::Pdf::DestinationCollection, Aspose::Pdf::Text::CharInfoCollection, Aspose::Pdf::XFormCollection, System::Collections::ObjectModel::Collection< T >, System::Collections::ObjectModel::Collection< TItem >, Aspose::Pdf::EmbeddedFileCollection, Aspose::Pdf::Annotations::ActionCollection, Aspose::Pdf::ArtifactCollection, Aspose::Pdf::Forms::OptionCollection, Aspose::Pdf::Text::TextFragmentCollection, System::Collections::Generic::HashSet< T >, Aspose::Pdf::Text::TextParagraphCollection, System::Collections::Generic::Stack< T >, System::Collections::Generic::Queue< T >, System::Net::Http::Headers::HttpHeaders, Aspose::Pdf::Annotations::PdfActionCollection, Aspose::Pdf::Text::FontSubstitutionCollection, Aspose::Pdf::Paragraphs, Aspose::Pdf::ImagePlacementCollection, Aspose::Pdf::Text::FontSourceCollection, Aspose::Pdf::LogicalStructure::ElementListImplementation, Aspose::Pdf::Cells, System::Collections::Generic::_ValueCollection< Dict >, System::Windows::Forms::Control::ControlCollection, System::Collections::Generic::BaseDictionary< map_t >, System::Collections::Generic::BaseDictionary< Detail::FlatMap< TKey, TValue, ComparerAdapter< TKey > > >, System::Collections::Generic::BaseDictionary< std::unordered_map< System::String, System::String, EqualityComparerHashAdapter< System::String >, EqualityComparerAdapter< System::String >, ASPOSE_MAP_ALLOCATOR_TYPE(System::String, System::String)> >, System::Collections::Generic::BaseDictionary< std::unordered_map< TKey, TValue, EqualityComparerHashAdapter< TKey >, EqualityComparerAdapter< TKey >, ASPOSE_MAP_ALLOCATOR_TYPE(TKey, TValue)> >, System::Collections::Generic::BaseDictionary< std::unordered_map< String, String, EqualityComparerHashAdapter< String >, EqualityComparerAdapter< String >, ASPOSE_MAP_ALLOCATOR_TYPE(String, String)> >, System::Collections::Generic::BaseDictionary< std::map< TKey, TValue, ComparerAdapter< BasePointerType< TKey >::type >, ASPOSE_MAP_ALLOCATOR_TYPE(TKey, TValue)> >, Aspose::Pdf::Rows, Aspose::Pdf::BaseOperatorCollection, Aspose::Pdf::Outlines, System::Xml::XmlAttributeCollection, Aspose::Pdf::LogicalStructure::ElementList, System::Collections::ObjectModel::ReadOnlyCollection< T >, System::Net::CookieCollection, System::Collections::Specialized::NameValueCollection, System::Collections::Specialized::StringCollection, System::Collections::Generic::_KeyCollection< Dict >, System::Security::Cryptography::Xml::KeyInfo, System::Xml::XPath::XPathNodeIterator, System::Xml::XmlNodeList, System::Collections::Generic::IKVCollection< T >, System::Collections::Generic::IKVCollection< Dict::map_t::mapped_type >, System::Collections::Generic::IKVCollection< Dict::map_t::key_type >, and System::Collections::Generic::IKVCollection< KV >.

LINQ_All()

template<typename T>

bool System::Collections::Generic::IEnumerable< T >::LINQ_All

(

std::function< bool(T)>

predicate

)

Determines whether all elements of a sequence satisfy a condition.

Parameters

predicate

A function to test each element for a condition.

Returns

true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.

LINQ_Any() [1/2]

template<typename T >

bool System::Collections::Generic::IEnumerable< T >::LINQ_Any

(

)

Determines whether a sequence contains any elements.

Returns

true if the source sequence contains any elements; otherwise, false.

LINQ_Any() [2/2]

template<typename T>

bool System::Collections::Generic::IEnumerable< T >::LINQ_Any

(

std::function< bool(T)>

predicate

)

Determines whether any element of a sequence exists or satisfies a condition.

Parameters

predicate

A function to test each element for a condition.

Returns

true if the source sequence contains any elements; otherwise, false.

LINQ_Cast() [1/2]

template<typename T>

template<typename ResultType >

SharedPtr<IEnumerable<ResultType> > System::Collections::Generic::IEnumerable< T >::LINQ_Cast

(

)

Casts the elements to the specified type.

Template Parameters

ResultType

The type to cast the elements of the sequence.

Returns

An IEnumerable that contains elements of the sequence cast the ResultType.

Exceptions

InvalidCastException

Element of the sequence cannot be cast to the ResultType.

LINQ_Cast() [2/2]

template<typename T>

template<typename Result >

SharedPtr<IEnumerable<Result> > System::Collections::Generic::IEnumerable< T >::LINQ_Cast

(

)

LINQ_Contains()

template<typename T>

bool System::Collections::Generic::IEnumerable< T >::LINQ_Contains

(

T

value

)

Determines if a sequence contains a specified value.

Parameters

value

The value to locate in the sequence.

Returns

true if the sequence contains the specified value, otherwise false.

LINQ_Count()

template<typename T >

int System::Collections::Generic::IEnumerable< T >::LINQ_Count

(

)

Returns the number of elements in the sequence (calculated via direct counting).

Returns

Number of elements in the sequence.

LINQ_ElementAt()

template<typename T >

T System::Collections::Generic::IEnumerable< T >::LINQ_ElementAt

(

int

index

)

Returns the element at a specified index in a sequence.

Parameters

index

Index to get element at.

Returns

Element at specified index or default-constructed value if not found.

LINQ_First()

template<typename T >

T System::Collections::Generic::IEnumerable< T >::LINQ_First

(

)

Returns the first element of a sequence.

Returns

First element in the sequence.

Exceptions

InvalidOperationException

Source sequence is empty.

LINQ_FirstOrDefault() [1/2]

template<typename T >

T System::Collections::Generic::IEnumerable< T >::LINQ_FirstOrDefault

(

)

Returns the first element of a sequence, or a default value if the sequence is empty.

Returns

First element in the sequence or default-constructed value if the sequence is empty.

LINQ_FirstOrDefault() [2/2]

template<typename T>

T System::Collections::Generic::IEnumerable< T >::LINQ_FirstOrDefault

(

std::function< bool(T)>

predicate

)

Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.

Parameters

predicate

A function to test each element for a condition.

Returns

default(T) if source is empty or if no element passes the test specified by predicate; otherwise, the first element in source that passes the test specified by predicate.

LINQ_Last()

template<typename T >

T System::Collections::Generic::IEnumerable< T >::LINQ_Last

(

)

Returns the last element of a sequence.

Returns

Last element in the sequence.

Exceptions

InvalidOperationException

Source sequence is empty.

LINQ_LastOrDefault()

template<typename T >

T System::Collections::Generic::IEnumerable< T >::LINQ_LastOrDefault

(

)

Returns the last element of a sequence, or a default value if the sequence is empty.

Returns

Last element in the sequence or default-constructed value if the sequence is empty.

LINQ_OfType() [1/2]

template<typename T>

template<typename ResultType >

SharedPtr<IEnumerable<ResultType> > System::Collections::Generic::IEnumerable< T >::LINQ_OfType

(

)

Filters the elements of the sequence based on the specified type.

Template Parameters

ResultType

The type to filter the elements of the sequence.

Returns

An IEnumerable that contains elements from the sequence of the ResultType.

LINQ_OfType() [2/2]

template<typename T>

template<typename Result >

SharedPtr<IEnumerable<Result> > System::Collections::Generic::IEnumerable< T >::LINQ_OfType

(

)

LINQ_Select() [1/2]

template<typename T>

template<typename ResultType >

SharedPtr<IEnumerable<ResultType> > System::Collections::Generic::IEnumerable< T >::LINQ_Select

(

const Func< T, ResultType > &

selector

)

Transforms elements of a sequence.

Template Parameters

ResultType

The type of the value returned by the selector.

Parameters

selector

A transform function.

Returns

An IEnumerable that contains elements returned by the selector function.

LINQ_Select() [2/2]

template<typename T>

template<typename Result >

SharedPtr<IEnumerable<Result> > System::Collections::Generic::IEnumerable< T >::LINQ_Select

(

const Func< Source, Result > &

selector

)

LINQ_ToArray()

template<typename T >

System::ArrayPtr< T > System::Collections::Generic::IEnumerable< T >::LINQ_ToArray

(

)

Creates an array from a sequence.

Returns

Array that contains all elements of current sequence.

LINQ_ToList()

template<typename T >

System::SharedPtr< Collections::Generic::List< T > > System::Collections::Generic::IEnumerable< T >::LINQ_ToList

(

)

Creates a List<T> from a sequence.

Returns

The list containing all elements of specified sequence.

LINQ_Where()

template<typename T>

SharedPtr< IEnumerable< T > > System::Collections::Generic::IEnumerable< T >::LINQ_Where

(

std::function< bool(T)>

predicate

)

Filters a sequence based on the specified predicate.

Parameters

predicate

A function that test each elements for some condition.

Returns

An IEnumerable that contains filtered elements.