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



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComInterop Namespace > VarType Class : IsArray Property
Gets a value indicating whether the VarType is an array.
Syntax
'Declaration
 
Public ReadOnly Property IsArray As Boolean
'Usage
 
Dim instance As VarType
Dim value As Boolean
 
value = instance.IsArray
public bool IsArray {get;}
public:
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 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