OPC Labs EasyOPC “Classic” Library
DAItemDescriptor Object Members
Overview 
OpcLabs_EasyOpcClassic ActiveX DLL : DAItemDescriptor Object
Public Methods
Creates a new object that is a copy of the current instance.

 

DISPID (Dispatch ID):

 

For more information, see Clone in .NET Reference.

Determines whether the specified object is equal to the current object.

 

DISPID (Dispatch ID):

 

For more information, see Equals in .NET Reference.

Computes an equivalent node descriptor that is flattened.

 

DISPID (Dispatch ID):

 

For more information, see Flatten in .NET Reference.

Returns a hash code for the current object.

 

DISPID (Dispatch ID):

 

For more information, see GetHashCode in .NET Reference.

 

DISPID (Dispatch ID):

 

For more information, see GetObjectData in .NET Reference.

Gets the Type of the current instance.

 

DISPID (Dispatch ID):

 

For more information, see GetType in .NET Reference.

Determines whether the node descriptor matches another node descriptor.

 

DISPID (Dispatch ID):

 

For more information, see Match in .NET Reference.

Public Properties
Specifies the access path for the OPC item (rarely used).

 

DISPID (Dispatch ID):

 

For more information, see AccessPath in .NET Reference.

Name of the alias to be used in place of this object. Empty string if the object is not aliased.

 

DISPID (Dispatch ID):

 

For more information, see AliasName in .NET Reference.

The node descriptor in form of an argument string, i.e. a key=value pairs separated by semicolons.

 

DISPID (Dispatch ID):

 

For more information, see ArgumentString in .NET Reference.

Specifies the browse path for the OPC node.

 

DISPID (Dispatch ID):

 

For more information, see BrowsePath in .NET Reference.

The starting node descriptor of the browse path.

 

DISPID (Dispatch ID):

 

For more information, see BrowsePathStartingNodeDescriptor in .NET Reference.

The display string for the current object.

 

DISPID (Dispatch ID): 0

 

For more information, see ToString in .NET Reference.

Determines whether there is a non-null browse path in the descriptor.

 

DISPID (Dispatch ID):

 

For more information, see HasBrowsePath in .NET Reference.

Determines whether there is a non-null node ID in the descriptor.

 

DISPID (Dispatch ID):

 

For more information, see HasNodeId in .NET Reference.

Determines whether this object is aliased.

 

DISPID (Dispatch ID):

 

For more information, see IsAliased in .NET Reference.

Determines whether the node descriptor is null, i.e. specifies neither node ID nor a browse path.

 

DISPID (Dispatch ID):

 

For more information, see IsNull in .NET Reference.

Determines whether this object describes a root of the address space.

 

DISPID (Dispatch ID):

 

For more information, see IsRoot in .NET Reference.

Contains OPC item identifier (empty string for the root, null reference if unknown).

 

DISPID (Dispatch ID):

 

For more information, see ItemId in .NET Reference.

Contains node identifier (empty string for the root, null reference if unknown).

 

DISPID (Dispatch ID):

 

For more information, see NodeId in .NET Reference.

Contains node path (empty string for the root, null reference if unknown). Only used with OPC XML.

 

DISPID (Dispatch ID):

 

For more information, see NodePath in .NET Reference.

Specifies the data type requested (use Empty for server's canonical data type).

 

DISPID (Dispatch ID):

 

For more information, see RequestedDataType in .NET Reference.

Returns a string that represents the current object.

 

DISPID (Dispatch ID):

 

For more information, see ToString in .NET Reference.

See Also

DAItemDescriptor Object