QuickOPC User's Guide and Reference
UnsubscribeItemsChunkSize Property (DARequestChunkingParameters)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Optimization Namespace > DARequestChunkingParameters Class : UnsubscribeItemsChunkSize Property
Size of UnsubscribeMultipleItems request chunks. 0 for no chunking.
Syntax
'Declaration
 
<DefaultValueAttribute(1000)>
Public Property UnsubscribeItemsChunkSize As Integer
'Usage
 
Dim instance As DARequestChunkingParameters
Dim value As Integer
 
instance.UnsubscribeItemsChunkSize = value
 
value = instance.UnsubscribeItemsChunkSize
[DefaultValue(1000)]
public int UnsubscribeItemsChunkSize {get; set;}
[DefaultValue(1000)]
public:
property int UnsubscribeItemsChunkSize {
   int get();
   void set (    int value);
}
Remarks

The chunking is made regardless of the target server (endpoint). This means that when multiple servers (endpoints) are involved in the operation, the effective chunk size per server (endpoint) may be smaller than the value of this parameter.

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