OPC Studio User's Guide and Reference
IsArray Property (_VarType)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComInterop.ComTypes Namespace > _VarType Interface : IsArray Property
Gets a value indicating whether the VarType is an array.
Syntax
'Declaration
 
ReadOnly Property IsArray As Boolean
'Usage
 
Dim instance As _VarType
Dim value As Boolean
 
value = instance.IsArray
bool IsArray {get;}
property bool IsArray {
   bool get();
}

Property Value

The default value of this property is False.

Remarks

There is no standardized way in OPC Classic to pre-obtain array dimensions. You need to read the array or subscribe to it in order to obtain array dimensions.

The getter method of this property is pure, i.e. it does not have observable side effects.

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also