IValueSymbol Interface
Interface for a ISymbol that supports values.
Namespace: TwinCAT.TypeSystem
Assembly: TwinCAT.Ads.Abstractions (in TwinCAT.Ads.Abstractions.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
public interface IValueSymbol : IValueRawSymbol,
IHierarchicalSymbol, ISymbol, IAttributedInstance, IInstance, IBitSizeThe IValueSymbol type exposes the following members.
Properties
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Gets the access rights. | |
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Gets the Type Attributes.
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Gets the size of the IDataType in bits.
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Gets the (aligned) size of of the Type/Instance in Bytes
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Gets the Symbol/Datatype Category
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Gets the connection that produces values for this IValueSymbol | |
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Gets the IDataType of the IInstance.
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Gets a value indicating whether this IValueSymbol has a value.
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Gets the name of the instance (without periods (.)
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Gets the relative / absolute access path to the instance (with periods (.))
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Gets a value indicating whether this instance is not basing on a full DataType but instead of some sort of bit mapping
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Indicates that the Size of the Object is Byte aligned (BitSize % 8 == 0)
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Gets a value indicating whether this Symbol is acontainer type.
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Gets a value indicating whether this ISymbol is persistent.
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Indicates that the IInstance represents a Pointer type (Pointer TO)
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Gets a value indicating whether this instance is a primitive type.
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Gets a value indicating whether IInstance is a property.
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Indicates that this instance is read only.
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Gets a value indicating whether this instance is recursive.
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Indicates that the IInstance represents a Reference type (REFERENCE TO)
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Gets a value indicating whether this IInstance is static.
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Gets or sets the notification settings. | |
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Gets the parent Symbol
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Gets the size of the object in bytes or Bits dependant on IsBitType | |
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Gets the name of the DataType that is used for this IInstance.
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Gets the value accessor.
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Gets the value encoding.
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Methods
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Name |
Description |
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Reads the raw value of the IValueSymbol (Ads Read / Write)
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Reads the raw value of the IValueSymbol (Ads Read / Write)
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Reads the raw value of the IValueSymbol (Ads Read / Write) asynchronously.
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Reads the Value of the IValueSymbol | |
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Reads the Value of the IValueSymbol | |
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Reads the Value of the IValueSymbol asynchronously. | |
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Sets the parent of the Symbol
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Reads the Value of the IValueSymbol | |
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Writes the Value of the IValueSymbol | |
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Writes the raw value of the IValueSymbol (Ads Read / Write)
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Writes the raw value of the IValueSymbol (Ads Read / Write)
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Writes the raw value of the IValueSymbol (Ads Read / Write)
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Writes the Value of the IValueSymbol | |
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Writes the Value of the IValueSymbol | |
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Writes the Value of the IValueSymbol |
Events
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Occurs when the RawValue of the IValueSymbol has changed.
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Occurs when the value of the IValueSymbol has changed. |
Extension Methods
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Indicates, that the Instance value includes process memory data, that cannot be read in one memory block.
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Indicates, that the field is static or is not part of the parents processimage memory location
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Poll symbol values on trigger signals.
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Polls the symbol as value sequence of object values with a specified period time.
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Polls symbol values on trigger signals.
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Polls the symbol as value sequence of object values with a specified period time.
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Poll symbol values as a value sequence on trigger signals (typed)
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Polls the symbol as value sequence of object values with a specified period time (typed)
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Poll symbol values on trigger signals (typed)
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Poll symbol values on trigger signals (typed)
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Polls the symbol as value sequence of object values with a specified period time (typed)
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Poll symbol values as a sequence of annotated results (Value + ErrorCode)
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Poll symbol values with communication return codes.
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Gets the Unwrapped Symbol
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Gets an observable sequence when the value of the IValueSymbol has changed.
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Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
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Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
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Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
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Subscribes the IValueSymbol to an observable sequence of values and writes them to the IValueSymbol.
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