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System::Collections::Specialized::NameValueCollection Class Reference

Collection of associated String keys and String values that can be accessed either with the key or with the index. More...

Inherits System::Collections::Generic::ICollection< System::String >.

Public Member Functions

virtual System::ArrayPtr< Stringget_AllKeys ()
 Gets all the keys. More...
 
virtual System::SharedPtr< System::Collections::Generic::IList< String > > get_Keys ()
 Gets all the keys. More...
 
virtual int get_Count () const override
 Gets the number of key/value pairs. More...
 
virtual void Add (const String &item) override
 Override ICollection method - not implemented. More...
 
virtual bool Contains (const String &item) const override
 Checks if item is present in collection. More...
 
virtual bool Remove (const String &item) override
 Removes specific item. More...
 
void Clear () override
 Deletes all elements. More...
 
void CopyTo (System::ArrayPtr< String > array, int32_t arrayIndex) override
 Copies collection elements into existing array elements. More...
 
bool Remove (String item)
 Removes specific item. More...
 
System::SharedPtr< Generic::IEnumerator< String > > GetEnumerator () override
 Gets enumerator to iterate through collection. More...
 
 NameValueCollection ()
 Initializes a new instance of the NameValueCollection class that is empty. More...
 
 NameValueCollection (System::SharedPtr< NameValueCollection > col)
 Copies the entries from the specified NameValueCollection to a new NameValueCollection. More...
 
void Add (System::SharedPtr< NameValueCollection > c)
 Copies the entries in the specified NameValueCollection to the current. More...
 
virtual void Add (String name, String value)
 Adds an entry with the specified name and value. More...
 
virtual String Get (String name)
 Gets the values associated with the specified key. More...
 
virtual System::ArrayPtr< StringGetValues (String name)
 Gets the values associated with the specified key. More...
 
virtual void Set (String name, String value)
 Sets the value of an entry. More...
 
String idx_get (String name)
 Gets value at specified index. More...
 
void idx_set (String name, String value)
 Sets value of an entry. More...
 
bool HasKeys ()
 Gets a value indicating whether the NameValueCollection contains keys that are not null. More...
 
- Public Member Functions inherited from System::Collections::Generic::ICollection< System::String >
virtual bool get_IsReadOnly () const
 Checks if collection is read only. More...
 
virtual void CopyTo (System::ArrayPtr< System::String > array, int arrayIndex)=0
 Copies all collection elements to existing array elements. More...
 
ICollectionoperator= (ICollection &&)
 Move assignment operator. More...
 
ICollectionoperator= (const ICollection &)
 Move assignment operator. More...
 
 ICollection ()
 Default constructor. More...
 
 ICollection (const ICollection &)
 Copy constructor. More...
 
 ICollection (ICollection &&)
 Move constructor. More...
 
virtual ~ICollection ()
 Destructor. More...
 
virtual SharedPtr< Objectget_SyncRoot () const
 Gets the object the collection is being synchronized through. More...
 
- Public Member Functions inherited from System::Collections::Generic::IEnumerable< System::String >
System::String LINQ_ElementAt (int index)
 Returns the element at a specified index in a sequence. More...
 
System::String LINQ_First ()
 Returns the first element of a sequence. More...
 
System::String LINQ_First (const Func< System::String, bool > &predicate)
 Returns the first element of a sequence that satisfy the specified condition. More...
 
System::String LINQ_FirstOrDefault ()
 Returns the first element of a sequence, or a default value if the sequence is empty. More...
 
System::String LINQ_FirstOrDefault (std::function< bool(System::String)> predicate)
 Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. More...
 
System::String LINQ_Last ()
 Returns the last element of a sequence. More...
 
System::String LINQ_LastOrDefault ()
 Returns the last element of a sequence, or a default value if the sequence is empty. More...
 
SharedPtr< List< System::String > > LINQ_ToList ()
 Creates a List<T> from a sequence. More...
 
int LINQ_Count ()
 Returns the number of elements in the sequence (calculated via direct counting). More...
 
int LINQ_Count (const Func< System::String, bool > &predicate)
 Returns the number of elements in the sequence that satisfy the specified condition. More...
 
System::ArrayPtr< System::StringLINQ_ToArray ()
 Creates an array from a sequence. More...
 
bool LINQ_All (std::function< bool(System::String)> predicate)
 Determines whether all elements of a sequence satisfy a condition. More...
 
bool LINQ_Any ()
 Determines whether a sequence contains any elements. More...
 
bool LINQ_Any (std::function< bool(System::String)> predicate)
 Determines whether any element of a sequence exists or satisfies a condition. More...
 
SharedPtr< IEnumerable< System::String > > LINQ_Where (std::function< bool(System::String)> predicate)
 Filters a sequence based on the specified predicate. More...
 
bool LINQ_Contains (System::String value)
 Determines if a sequence contains a specified value. More...
 
SharedPtr< IEnumerable< ResultType > > LINQ_Cast ()
 Casts the elements to the specified type. More...
 
SharedPtr< IEnumerable< Result > > LINQ_Cast ()
 
SharedPtr< IEnumerable< System::String > > LINQ_OrderBy (const Func< System::String, Key > &keySelector)
 Sorts the elements of a sequence in ascending order according to the key values selected by keySelector. More...
 
SharedPtr< IEnumerable< Source > > LINQ_OrderBy (const Func< Source, Key > &keySelector)
 
SharedPtr< IEnumerable< System::String > > LINQ_OrderByDescending (const Func< System::String, Key > &keySelector)
 Sorts the elements of a sequence in descending order according to the key values selected by keySelector. More...
 
SharedPtr< IEnumerable< Source > > LINQ_OrderByDescending (const Func< Source, Key > &keySelector)
 
SharedPtr< IEnumerable< ResultType > > LINQ_OfType ()
 Filters the elements of the sequence based on the specified type. More...
 
SharedPtr< IEnumerable< Result > > LINQ_OfType ()
 
SharedPtr< IEnumerable< ResultType > > LINQ_Select (const Func< System::String, ResultType > &selector)
 Transforms elements of a sequence. More...
 
SharedPtr< IEnumerable< ResultType > > LINQ_Select (const Func< System::String, int32_t, ResultType > &selector)
 Transforms each element of a sequence into a new form by incorporating the element's index. More...
 
SharedPtr< IEnumerable< Result > > LINQ_Select (const Func< Source, Result > &selector)
 
SharedPtr< IEnumerable< Result > > LINQ_Select (const Func< Source, int32_t, Result > &selector)
 
SharedPtr< IEnumerable< System::String > > LINQ_Concat (SharedPtr< IEnumerable< System::String >> sequence)
 Concatenates two sequences. More...
 
System::SharedPtr< IEnumerable< System::SharedPtr< System::Linq::IGrouping< Key, System::String > > > > LINQ_GroupBy (System::Func< System::String, Key > keyPredicate)
 Groups the elements of a sequence. More...
 
SharedPtr< IEnumerable< SharedPtr< System::Linq::IGrouping< Key, Source > > > > LINQ_GroupBy (System::Func< Source, Key > keyPredicate)
 
SharedPtr< IEnumerable< ResultType > > LINQ_SelectMany (const Func< System::String, SharedPtr< IEnumerable< ResultType >>> &selector)
 Projects each element of a sequence and combines the resulting sequences into one sequence. More...
 
SharedPtr< IEnumerable< Result > > LINQ_SelectMany (const Func< Source, SharedPtr< IEnumerable< Result >>> &selector)
 
iterator begin () noexcept
 Gets iterator pointing to the first element (if any) of the collection. This iterator can't be used to change a referenced object because GetEnumerator() returns a copy-object of T. More...
 
const_iterator begin () const noexcept
 Gets iterator pointing to the first element (if any) of the const-qualified instance of the collection. More...
 
iterator end () noexcept
 Gets iterator pointing right after the last element (if any) of the collection. This iterator can't be used to change a referenced object because GetEnumerator() returns a copy-object of T. More...
 
const_iterator end () const noexcept
 Gets iterator pointing right after the last element (if any) of the const-qualified instance of the collection. More...
 
const_iterator cbegin () const noexcept
 Gets iterator pointing to the first const-qualified element (if any) of the collection. More...
 
const_iterator cend () const noexcept
 Gets iterator pointing right after the last const-qualified element (if any) of the collection. More...
 
- Public Member Functions inherited from System::Object
 Object ()
 Creates object. Initializes all internal data structures. More...
 
virtual ~Object ()
 Destroys object. Frees all internal data structures. More...
 
 Object (Object const &x)
 Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
Objectoperator= (Object const &x)
 Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
ObjectSharedRefAdded ()
 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 reference counter. More...
 
void Lock ()
 Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...
 
void Unlock ()
 Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...
 
virtual bool Equals (ptr obj)
 Compares objects using C# Object.Equals semantics. More...
 
virtual int32_t GetHashCode () const
 Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...
 
virtual String ToString () const
 Analog of C# Object.ToString() method. Enables converting custom objects to string. More...
 
virtual ptr MemberwiseClone () const
 Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...
 
virtual const TypeInfoGetType () const
 Gets actual type of object. Analog of C# System.Object.GetType() call. More...
 
virtual bool Is (const TypeInfo &targetType) const
 Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...
 
virtual void SetTemplateWeakPtr (uint32_t argument)
 Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...
 
virtual bool FastCast (const Details::FastRttiBase &helper, void **out_ptr) const
 For internal purposes only. More...
 
template<>
bool ReferenceEquals (String const &str, std::nullptr_t)
 Specialization of Object::ReferenceEquals for case of string and nullptr. More...
 
template<>
bool ReferenceEquals (String const &str1, String const &str2)
 Specialization of Object::ReferenceEquals for case of strings. More...
 

Additional Inherited Members

- Public Types inherited from System::Collections::Generic::ICollection< System::String >
typedef System::String ValueType
 Value type name. More...
 
typedef ICollection< System::StringThisType
 Collection type name. More...
 
- Public Types inherited from System::Collections::Generic::IEnumerable< System::String >
typedef IEnumerator< System::StringIEnumeratorType
 Enumerator type. More...
 
using ValueType = System::String
 
using iterator = EnumeratorBasedIterator< System::String, IEnumerator< System::String > >
 
using const_iterator = iterator
 
- Public Types inherited from System::Object
typedef SmartPtr< Objectptr
 Alias for smart pointer type. More...
 
- 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 TypeInfoType ()
 Implements C# typeof(System.Object) construct. More...
 
template<>
bool Equals (float const &objA, float const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 
template<>
bool Equals (double const &objA, double const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 
- Protected Member Functions inherited from System::Collections::Generic::IEnumerable< System::String >
 ~IEnumerable () override
 Destructor. More...
 

Detailed Description

Collection of associated String keys and String values that can be accessed either with the key or with the index.

Constructor & Destructor Documentation

◆ NameValueCollection() [1/2]

System::Collections::Specialized::NameValueCollection::NameValueCollection ( )

Initializes a new instance of the NameValueCollection class that is empty.

◆ NameValueCollection() [2/2]

System::Collections::Specialized::NameValueCollection::NameValueCollection ( System::SharedPtr< NameValueCollection col)

Copies the entries from the specified NameValueCollection to a new NameValueCollection.

Member Function Documentation

◆ Add() [1/3]

virtual void System::Collections::Specialized::NameValueCollection::Add ( const String item)
overridevirtual

Override ICollection method - not implemented.

Implements System::Collections::Generic::ICollection< System::String >.

◆ Add() [2/3]

virtual void System::Collections::Specialized::NameValueCollection::Add ( String  name,
String  value 
)
virtual

Adds an entry with the specified name and value.

◆ Add() [3/3]

void System::Collections::Specialized::NameValueCollection::Add ( System::SharedPtr< NameValueCollection c)

Copies the entries in the specified NameValueCollection to the current.

◆ Clear()

void System::Collections::Specialized::NameValueCollection::Clear ( )
overridevirtual

◆ Contains()

virtual bool System::Collections::Specialized::NameValueCollection::Contains ( const String item) const
overridevirtual

Checks if item is present in collection.

Parameters
itemto look for.
Returns
True if item is present, false otherwise.

Implements System::Collections::Generic::ICollection< System::String >.

◆ CopyTo()

void System::Collections::Specialized::NameValueCollection::CopyTo ( System::ArrayPtr< String array,
int32_t  arrayIndex 
)
override

Copies collection elements into existing array elements.

Parameters
arrayDestination array.
arrayIndexDestination array start index.

◆ Get()

virtual String System::Collections::Specialized::NameValueCollection::Get ( String  name)
virtual

Gets the values associated with the specified key.

◆ get_AllKeys()

virtual System::ArrayPtr<String> System::Collections::Specialized::NameValueCollection::get_AllKeys ( )
virtual

Gets all the keys.

◆ get_Count()

virtual int System::Collections::Specialized::NameValueCollection::get_Count ( ) const
overridevirtual

Gets the number of key/value pairs.

Implements System::Collections::Generic::ICollection< System::String >.

◆ get_Keys()

virtual System::SharedPtr<System::Collections::Generic::IList<String> > System::Collections::Specialized::NameValueCollection::get_Keys ( )
virtual

Gets all the keys.

◆ GetEnumerator()

System::SharedPtr<Generic::IEnumerator<String> > System::Collections::Specialized::NameValueCollection::GetEnumerator ( )
overridevirtual

Gets enumerator to iterate through collection.

Returns
Created enumerator iterating through current collection.

Implements System::Collections::Generic::IEnumerable< System::String >.

◆ GetValues()

virtual System::ArrayPtr<String> System::Collections::Specialized::NameValueCollection::GetValues ( String  name)
virtual

Gets the values associated with the specified key.

◆ HasKeys()

bool System::Collections::Specialized::NameValueCollection::HasKeys ( )

Gets a value indicating whether the NameValueCollection contains keys that are not null.

◆ idx_get()

String System::Collections::Specialized::NameValueCollection::idx_get ( String  name)

Gets value at specified index.

Parameters
nameentry name.
Returns
Copy of value at specified index.

◆ idx_set()

void System::Collections::Specialized::NameValueCollection::idx_set ( String  name,
String  value 
)

Sets value of an entry.

Parameters
nameentry name.
valueValue to set at name.

◆ Remove() [1/2]

virtual bool System::Collections::Specialized::NameValueCollection::Remove ( const String item)
overridevirtual

Removes specific item.

Parameters
itemItem to remove.
Returns
True if item was found and removed, false otherwise.

Implements System::Collections::Generic::ICollection< System::String >.

◆ Remove() [2/2]

bool System::Collections::Specialized::NameValueCollection::Remove ( String  item)

Removes specific item.

◆ Set()

virtual void System::Collections::Specialized::NameValueCollection::Set ( String  name,
String  value 
)
virtual

Sets the value of an entry.