BoxedValue
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]BoxedValue class
Represents a boxed value. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument.
template<class T>class BoxedValue : public System::BoxedValueBase
Template parameters
| Parameter | Description |
|---|---|
| T | Type of the boxed value represented by the class |
Methods
| Method | Description |
|---|---|
| BoxedValue(const T&) | Constructs an object that represents the specified value boxed. |
| bool Equals(ptr) override | Determines the equality of the boxed values represented by the current and specified objects. |
| static std::enable_if<IsSmartPtr<T1>::value&&IsSmartPtr<T2>::value, bool>::type Equals(T1 const&, T2 const&) | Compares reference type objects in C# style. |
| static bool Equals(float const&, float const&) | 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. |
| static bool Equals(double const&, double const&) | 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. |
| virtual bool FastCast(const Details::FastRttiBase&, void **) const | For internal purposes only. |
| Detail::SmartPtrCounter * GetCounter() | Gets reference counter data structure associated with the object. |
| int GetHashCode() const override | Returns a hash code for the current object. |
| const System::TypeInfo& GetType() const override | Gets actual type of object. |
| TypeCode GetTypeCode() const override | Returns the value representing the type of the boxed value represented by the current object. |
| uint64_t GetUnsignedLongLongValue() const override | Returns numeric value of boxed object if it can be cast too, zero otherwise. |
| virtual bool Is(const TypeInfo&) const | Check if object represents an instance of type described by targetType. Analog of C# ‘is’ operator. |
| bool is() const | Determines if the type of the boxed value represented by the current object is V. |
| bool IsBoxedEnum() override | Determines if current object represents a boxed value of enum type. |
| void Lock() | Implements C# lock() statement locking. Call directly or use LockContext sentry object. |
| virtual ptr MemberwiseClone() const | Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. |
| Object() | Creates object. Initializes all internal data structures. |
| Object(Object const&) | Copy constructor. Doesn’t copy anything, really, just initializes new object and enables copy constructing subclasses. |
| Object& operator=(Object const&) | Assignment operator. Doesn’t copy anything, really, just initializes new object and enables copy constructing subclasses. |
| static SharedPtr<Object> Parse(const TypeInfo&, const String&, bool) | Boxes the value of enumeration constant of the specified enumeration with the specified name. A parameter specifies if the case should be ignored when interpreting the string specifying the name of the enumeration constant. |
| static SharedPtr<Object> Parse(const TypeInfo&, const String&) | Boxes the value of enumeration constant of the specified enumeration with the specified name. |
| static bool ReferenceEquals(ptr const&, ptr const&) | Compares objects by reference. |
| static std::enable_if<!IsSmartPtr<T>::value, bool>::type ReferenceEquals(T const&, T const&) | Compares objects by reference. |
| static std::enable_if<!IsSmartPtr<T>::value, bool>::type ReferenceEquals(T const&, std::nullptr_t) | Reference-compares value type object with nullptr. |
| bool ReferenceEquals(String const&, std::nullptr_t) | Specialization of Object::ReferenceEquals for case of string and nullptr. |
| bool ReferenceEquals(String const&, String const&) | Specialization of Object::ReferenceEquals for case of strings. |
| int RemovedSharedRefs(int) | Decreases shared reference count by specified value. |
| virtual void SetTemplateWeakPtr(uint32_t) | Set n’th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. |
| int SharedCount() const | Gets current value of shared reference counter. |
| Object * SharedRefAdded() | Increments shared reference count. Shouldn’t be called directly; instead, use smart pointers or ThisProtector. |
| int SharedRefRemovedSafe() | Decrements and returns shared reference count. Shouldn’t be called directly; instead, use smart pointers or ThisProtector. |
| String ToString() const override | Converts boxed value represented by current object to string. |
| System::String ToString(const System::String&) const | Converts boxed object to string using specified format string. |
| static const TypeInfo& Type() | Implements C# typeof(System.Object) construct. |
| const T& unbox() const | Unboxes the value represented by the current object. |
| void Unlock() | Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. |
| Detail::SmartPtrCounter * WeakRefAdded() | Increments weak reference count. Shouldn’t be called directly; instead, use smart pointers or ThisProtector. |
| void WeakRefRemoved() | Decrements weak reference count. Shouldn’t be called directly; instead, use smart pointers or ThisProtector. |
| virtual ~Object() | Destroys object. Frees all internal data structures. |
See Also
- Class BoxedValueBase
- Namespace System
- Library Aspose.Slides