IValueSymbol Interface

AccessRights

Gets the access rights.

Attributes

Gets the Type Attributes.
(Inherited from IAttributedInstance)

BitSize

Gets the size of the IDataType in bits.
(Inherited from IBitSize)

ByteSize

Gets the (aligned) size of of the Type/Instance in Bytes
(Inherited from IBitSize)

Category

Gets the Symbol/Datatype Category
(Inherited from ISymbol)

Comment

Gets the comment of the IInstance
(Inherited from IInstance)

Connection

Gets the connection that produces values for this IValueSymbol

DataType

Gets the IDataType of the IInstance.
(Inherited from IInstance)

HasValue

Gets a value indicating whether this IValueSymbol has a value.
(Inherited from IValueRawSymbol)

InstanceName

Gets the name of the instance (without periods (.)
(Inherited from IInstance)

InstancePath

Gets the relative / absolute access path to the instance (with periods (.))
(Inherited from IInstance)

IsBitType

Gets a value indicating whether this instance is not basing on a full DataType but instead of some sort of bit mapping
(Inherited from IBitSize)

IsByteAligned

Indicates that the Size of the Object is Byte aligned (BitSize % 8 == 0)
(Inherited from IBitSize)

IsContainerType

Gets a value indicating whether this Symbol is acontainer type.
(Inherited from ISymbol)

IsPersistent

Gets a value indicating whether this ISymbol is persistent.
(Inherited from ISymbol)

IsPointer

Indicates that the IInstance represents a Pointer type (Pointer TO)
(Inherited from IInstance)

IsPrimitiveType

Gets a value indicating whether this instance is a primitive type.
(Inherited from ISymbol)

IsProperty

Gets a value indicating whether IInstance is a property.
(Inherited from IInstance)

IsReadOnly

Indicates that this instance is read only.
(Inherited from ISymbol)

IsRecursive

Gets a value indicating whether this instance is recursive.
(Inherited from ISymbol)

IsReference

Indicates that the IInstance represents a Reference type (REFERENCE TO)
(Inherited from IInstance)

IsStatic

Gets a value indicating whether this IInstance is static.
(Inherited from IInstance)

NotificationSettings

Gets or sets the notification settings.

Parent

Gets the parent Symbol
(Inherited from ISymbol)

Size

Gets the size of the object in bytes or Bits dependant on IsBitType
(Inherited from IBitSize)

SubSymbols

Gets the SubSymbols of the ISymbol
(Inherited from ISymbol)

TypeName

Gets the name of the DataType that is used for this IInstance.
(Inherited from IInstance)

ValueAccessor

Gets the value accessor.
(Inherited from IValueRawSymbol)

ValueEncoding

Gets the value encoding.
(Inherited from IAttributedInstance)

ReadRawValue

Reads the raw value of the IValueSymbol (Ads Read / Write)
(Inherited from IValueRawSymbol)

ReadRawValue(Int32)

Reads the raw value of the IValueSymbol (Ads Read / Write)
(Inherited from IValueRawSymbol)

ReadRawValueAsync

Reads the raw value of the IValueSymbol (Ads Read / Write) asynchronously.
(Inherited from IValueRawSymbol)

ReadValue

Reads the Value of the IValueSymbol

ReadValue(Int32)

Reads the Value of the IValueSymbol

ReadValueAsync

Reads the Value of the IValueSymbol asynchronously.

SetParent

Sets the parent of the Symbol
(Inherited from IHierarchicalSymbol)

TryReadValue

Reads the Value of the IValueSymbol

TryWriteValue

Writes the Value of the IValueSymbol

WriteRawValue(Byte)

Writes the raw value of the IValueSymbol (Ads Read / Write)
(Inherited from IValueRawSymbol)

WriteRawValue(Byte, Int32)

Writes the raw value of the IValueSymbol (Ads Read / Write)
(Inherited from IValueRawSymbol)

WriteRawValueAsync

Writes the raw value of the IValueSymbol (Ads Read / Write)
(Inherited from IValueRawSymbol)

WriteValue(Object)

Writes the Value of the IValueSymbol

WriteValue(Object, Int32)

Writes the Value of the IValueSymbol

WriteValueAsync

Writes the Value of the IValueSymbol

RawValueChanged

Occurs when the RawValue of the IValueSymbol has changed.
(Inherited from IValueRawSymbol)

ValueChanged

Occurs when the value of the IValueSymbol has changed.

HasExternalDataReferences

Indicates, that the Instance value includes process memory data, that cannot be read in one memory block.
(Defined by DataTypeExtension)

IsExternalDataReference

Indicates, that the field is static or is not part of the parents processimage memory location
(Defined by DataTypeExtension)

PollValues

Poll symbol values on trigger signals.
(Defined by ValueSymbolExtensions)

PollValues

Polls the symbol as value sequence of object values with a specified period time.
(Defined by ValueSymbolExtensions)

PollValues

Polls symbol values on trigger signals.
(Defined by ValueSymbolExtensions)

PollValues

Polls the symbol as value sequence of object values with a specified period time.
(Defined by ValueSymbolExtensions)

PollValuesT

Poll symbol values as a value sequence on trigger signals (typed)
(Defined by ValueSymbolExtensions)

PollValuesT

Polls the symbol as value sequence of object values with a specified period time (typed)
(Defined by ValueSymbolExtensions)

PollValuesT

Poll symbol values on trigger signals (typed)
(Defined by ValueSymbolExtensions)

PollValuesT

Poll symbol values on trigger signals (typed)
(Defined by ValueSymbolExtensions)

PollValuesT

Polls the symbol as value sequence of object values with a specified period time (typed)
(Defined by ValueSymbolExtensions)

PollValues2

Poll symbol values as a sequence of annotated results (Value + ErrorCode)
(Defined by ValueSymbolExtensions)

PollValues2

Poll symbol values with communication return codes.
(Defined by ValueSymbolExtensions)

Unwrap

Gets the Unwrapped Symbol
(Defined by SymbolExtensions)

WhenValueChanged

Gets an observable sequence when the value of the IValueSymbol has changed.
(Defined by ValueSymbolExtensions)

WriteValues

Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
(Defined by ValueSymbolExtensions)

WriteValues

Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
(Defined by ValueSymbolExtensions)

WriteValues

Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
(Defined by ValueSymbolExtensions)

WriteValues

Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
(Defined by ValueSymbolExtensions)