OPC Studio User's Guide and Reference
CategoryId Property (AEEventData)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.AlarmsAndEvents Namespace > AEEventData Class : CategoryId Property
Event category ID.
Syntax
'Declaration
 
Public Property CategoryId As Long
'Usage
 
Dim instance As AEEventData
Dim value As Long
 
instance.CategoryId = value
 
value = instance.CategoryId
public long CategoryId {get; set;}
public:
property int64 CategoryId {
   int64 get();
   void set (    int64 value);
}

Property Value

The default value of this property is 0.

Exceptions
ExceptionDescription

The value of an argument is outside the allowable range of values as defined by the invoked method.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

Standard and Vendor-specific event category codes.

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