InformationModel.MakeVariable(browseName, dataTypeId, variableTypeId, arrayDimensions)

Create a project variable of the type indicated by the third argument, and which contains the data type indicated by the second argument. It returns a C# object of the

IUAVariable

type corresponding to the project variable created. Using the fourth argument (optional), it is possible to create an array, specifying its type and size.

static IUAVariable MakeVariable(QualifiedName browseName, NodeId dataTypeId, NodeId variableTypeId, uint[] arrayDimensions);

Arguments

browseName (QualifiedName): The
BrowseName
of the new variable.
dataTypeId (NodeId): The Data type contained in the new variable.

TIP: The Data type is represented by a node inside the
DataTypes
classes. For example,
OpcUa.DataTypes.Boolean
.
variableTypeId (NodeId): A Variable type from which the new variable is derived, represented by a node inside the
VariableTypes
classes (for example,
FTOptix.CoDeSys.VariableTypes.Tag
).
arrayDimensions (uint[ ]): Optional. The size of the Array.

Returns

IUAVariable: A C# object that corresponds to the project variable created.

Example

The following example shows an API that creates a

Tag2

variable of the

CoDeSysTag

predefined type, that contains one Int32 data:

var myVar = InformationModel.MakeVariable("Tag2", OpcUa.DataTypes.Int32, FTOptix.CoDeSys.VariableTypes.Tag);;
Owner.Add(myVar);

Create variables

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