TValueHelper Class Helper

Represents type TValueHelper.

Namespace: Spring

type
 TValueHelper = record helper for TValue
 end;

Properties

	Name	Description
	Kind	Specifies the type kind of the stored value.
	ValueType	Returns the TRttiType of the stored value.

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Methods

	Name	Description
	&&op_Equality(TValue,TValue)	Represents method `&&op_Equality(TValue,TValue)`.
	&&op_Implicit(Currency)	Overloaded. Represents method `&&op_Implicit(Currency)`.
	&&op_Implicit(Double)	Overloaded. Represents method `&&op_Implicit(Double)`.
	&&op_Implicit(Single)	Overloaded. Represents method `&&op_Implicit(Single)`.
	&&op_Implicit(TDate)	Overloaded. Represents method `&&op_Implicit(TDate)`.
	&&op_Implicit(TDateTime)	Overloaded. Represents method `&&op_Implicit(TDateTime)`.
	&&op_Implicit(TTime)	Overloaded. Represents method `&&op_Implicit(TTime)`.
	&&op_Implicit(TVarRec)	Overloaded. Represents method `&&op_Implicit(TVarRec)`.
	&&op_Implicit(UInt64)	Overloaded. Represents method `&&op_Implicit(UInt64)`.
	&&op_Inequality(TValue,TValue)	Represents method `&&op_Inequality(TValue,TValue)`.
	AsPointer	Represents method `AsPointer`.
	AsType<T>	Casts the currently stored value to another type.
	Cast(PTypeInfo)	Casts the currently stored value to another type.
	CompareTo(TValue)	Compares to another TValue.
	ConvertTo(PTypeInfo)	Overloaded. Comverts the stored value to another type.
	ConvertTo<T>	Overloaded. Comverts the stored value to another type.
	Equals(TValue)	Checks for equality with another TValue.
	Free	If the stored value is an object it will get destroyed/disposed.
	From(Pointer,PTypeInfo)	Overloaded. Represents method `From(Pointer,PTypeInfo)`.
	From(TObject,TClass)	Overloaded. Represents method `From(TObject,TClass)`.
	FromFloat(PTypeInfo,Extended)	Overloaded. Represents method `FromFloat(PTypeInfo,Extended)`.
	FromVariant(Variant)	Represents method `FromVariant(Variant)`.
	FromVarRec(TVarRec)	Returns a TValue that holds the value that was passed in a TVarRec. The TypeInfo of the returned TValue depends on the VType of the passed TVarRec.
	GetArray	Returns the array content.
	GetNullableValue	Returns the stored nullable value or `TValue.Empty` when it is null.
	GetTypeKind	Represents method `GetTypeKind`.
	GetValueType	Represents method `GetValueType`.
	Init(Pointer)	Represents method `Init(Pointer)`.
	IsFloat	Checks whether the stored value is a float type.
	IsInstance	Checks whether the stored value is an object or interface reference.
	IsInterface	Checks whether the stored value is an interface reference.
	IsNumeric	Checks whether the stored value is a numeric type.
	IsString	Checks whether the stored value is a `string`.
	IsVariant	Checks whether the stored value is a `Variant`.
	RaiseConversionError(PTypeInfo,PTypeInfo)	Represents method `RaiseConversionError(PTypeInfo,PTypeInfo)`.
	SetNullableValue(TValue)	Sets the stored value of a nullable.
	ToObject	Returns the stored value as TObject.
	ToString	Returns the string representation of the stored value.
	ToType<T>	Converts stored value to the specified type.
	ToVariant	Returns the stored value as Variant.
	TryAsInterface(PTypeInfo,Void)	Represents method `TryAsInterface(PTypeInfo,Void)`.
	TryConvert(PTypeInfo,TValue)	Overloaded. Tries to convert the stored value. Returns false when the conversion is not possible.
	TryConvert<T>(T)	Overloaded. Tries to convert the stored value. Returns false when the conversion is not possible.
	TryGetLazyValue(TValue)	Tries to get the stored value of a lazy. Returns false when the lazy was not assigned.
	TryGetNullableValue(TValue)	Tries to get the stored value of a nullable. Returns false when the nullable is null.
	TryToType<T>(T)	Overloaded. Tries to convert the stored value. Returns false when the conversion is not possible.

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Reference

Spring