![](dotnetdiagramimages/OpcLabs_EasyOpcClassic_OpcLabs_EasyOpc_DataAccess_EasyDAClientCore.png)
'Declaration
<ComVisibleAttribute(False)> <CLSCompliantAttribute(True)> <TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)> <DesignerCategoryAttribute("Component")> <SerializableAttribute()> Public Class EasyDAClientCore Inherits OpcLabs.BaseLib.Widgets.NotifyingWidget Implements OpcLabs.BaseLib.ComponentModel.Internal.IComponentCallback, OpcLabs.BaseLib.ComponentModel.Internal.IComponentNotify, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._NotifyingWidget, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, IEasyDAClient, IEasyDAClientProvider, IEasyDAClientSettings, System.ComponentModel.IComponent, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
'Usage
Dim instance As EasyDAClientCore
[ComVisible(false)] [CLSCompliant(true)] [TypeConverter(System.ComponentModel.ExpandableObjectConverter)] [DesignerCategory("Component")] [Serializable()] public class EasyDAClientCore : OpcLabs.BaseLib.Widgets.NotifyingWidget, OpcLabs.BaseLib.ComponentModel.Internal.IComponentCallback, OpcLabs.BaseLib.ComponentModel.Internal.IComponentNotify, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._NotifyingWidget, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, IEasyDAClient, IEasyDAClientProvider, IEasyDAClientSettings, System.ComponentModel.IComponent, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
[ComVisible(false)] [CLSCompliant(true)] [TypeConverter(System.ComponentModel.ExpandableObjectConverter)] [DesignerCategory("Component")] [Serializable()] public ref class EasyDAClientCore : public OpcLabs.BaseLib.Widgets.NotifyingWidget, OpcLabs.BaseLib.ComponentModel.Internal.IComponentCallback, OpcLabs.BaseLib.ComponentModel.Internal.IComponentNotify, OpcLabs.BaseLib.ILicenseInfoProvider, OpcLabs.BaseLib.IValueEquatable, OpcLabs.BaseLib.Licensing.ILicensingContextHolder, OpcLabs.BaseLib.Widgets.ComTypes._NotifyingWidget, OpcLabs.BaseLib.Widgets.ComTypes._Widget, OpcLabs.BaseLib.Widgets.IWidget, IEasyDAClient, IEasyDAClientProvider, IEasyDAClientSettings, System.ComponentModel.IComponent, System.ICloneable, System.IDisposable, System.IServiceProvider, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable
In your code, you will actually use the EasyDAClient component, which inherits from EasyDAClientCore. Many members of EasyDAClient are already declared in EasyDAClientCore.
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
OpcLabs.BaseLib.Widgets.Widget
OpcLabs.BaseLib.Widgets.NotifyingWidget
OpcLabs.EasyOpc.DataAccess.EasyDAClientCore
OpcLabs.EasyOpc.DataAccess.EasyDAClient