System::DynamicCast method

System::DynamicCast(const TFrom&) method

Performs dynamic cast on Exception objects.

template<typename TTo,typename TFrom> std::enable_if<IsExceptionWrapper<TFrom>::value &&IsExceptionWrapper<TTo>::value &&(std::is_convertible<TTo, TFrom>::value||std::is_base_of<TTo, TFrom>::value), TTo>::type System::DynamicCast(const TFrom &obj)

Parameter	Description
TTo	Target Exception type.
TFrom	Source Exception type.

Parameter	Type	Description
obj	const TFrom&	Source pointer.

ReturnValue

Cast result if cast is allowed.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(SmartPtr<TFrom> const&) method

Performs dynamic cast on SmartPtr objects.

template<typename TTo,typename TFrom> std::enable_if<!std::is_enum<TTo>::value &&!IsExceptionWrapper<TTo>::value, typenameCastResult<TTo>::type>::type System::DynamicCast(SmartPtr<TFrom> const &obj)

Parameter	Description
TTo	Target pointee type.
TFrom	Source pointee type.

Parameter	Type	Description
obj	SmartPtr<TFrom> const&	Source pointer.

ReturnValue

Cast result if cast is allowed.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Class SmartPtr
• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(SmartPtr<TFrom>) method

Unboxes boxed enum via cast.

template<typename TTo,typename TFrom> std::enable_if<std::is_enum<TTo>::value, TTo>::type System::DynamicCast(SmartPtr<TFrom> obj)

Parameter	Description
TTo	Target enum type.
TFrom	Source pointee type.

Parameter	Type	Description
obj	SmartPtr<TFrom>	Pointer to the object to unbox data from.

ReturnValue

Unboxed enum value.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Class SmartPtr
• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(SmartPtr<TFrom>) method

Performs dynamic cast on Objects to Exception objects.

template<typename TTo,typename TFrom> std::enable_if<std::is_same<System::Object, TFrom>::value &&IsExceptionWrapper<TTo>::value, TTo>::type System::DynamicCast(SmartPtr<TFrom> obj)

Parameter	Description
TTo	Target Exception type.
TFrom	Object type.

Parameter	Type	Description
obj	SmartPtr<TFrom>	Source pointer.

ReturnValue

Cast result if cast is allowed.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Class Object
• Class SmartPtr
• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(std::nullptr_t) method

Performs dynamic cast of null objects.

template<typename TTo> CastResult<TTo>::type System::DynamicCast(std::nullptr_t) noexcept

Parameter	Description
TTo	Target pointee type.

ReturnValue

nullptr.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(TFrom&) method

Performs dynamic cast on non-pointer objects.

template<typename TTo,typename TFrom> std::enable_if<!IsExceptionWrapper<TFrom>::value &&!IsSmartPtr<TFrom>::value &&std::is_convertible<TTo, TFrom>::value, TTo>::type System::DynamicCast(TFrom &obj)

Parameter	Description
TTo	Target type.
TFrom	Source type.

Parameter	Type	Description
obj	TFrom&	Source object.

ReturnValue

Cast result.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Namespace System
• Library Aspose.PDF for C++

System::DynamicCast(TFrom) method

Performs dynamic cast from IntPtr to pointer.

template<typename TTo,typename TFrom> std::enable_if<std::is_pointer<TTo>::value &&std::is_same<IntPtr, TFrom>::value, TTo>::type System::DynamicCast(TFrom value) noexcept

Parameter	Description
TTo	Target type.
TFrom	Source type.

Parameter	Type	Description
value	TFrom	Source IntPtr value.

ReturnValue

Cast result.

Deprecated

Left for backwards compatibility. Use ExplicitCast instead.

See Also

• Namespace System
• Library Aspose.PDF for C++