A typed callback method to be invoked for each significant monitored item change.
Syntax
'Declaration
<CanBeNullAttribute()>
<DefaultValueAttribute("")>
<XmlIgnoreAttribute()>
Public Property TypedCallback As OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler(Of T)
'Usage
Dim instance As EasyDAItemSubscriptionArguments(Of T)
Dim value As OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler(Of T)
instance.TypedCallback = value
value = instance.TypedCallback
[CanBeNull()]
[DefaultValue("")]
[XmlIgnore()]
public OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler<T> TypedCallback {get; set;}
[CanBeNull()]
[DefaultValue("")]
[XmlIgnore()]
public:
property OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler<T^>^ TypedCallback {
OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler<T^>^ get();
void set ( OpcLabs.EasyOpc.DataAccess.Generic.EasyDAItemChangedEventHandler<T^>^ value);
}
Property Value
If this is a null reference, only the
ItemChanged events are generated, but no callback method is invoked.
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
