OPC Studio User's Guide and Reference
OnRequestPolymorphicChanged Method (AutomaticValueControl)



OpcLabs.BaseLibForms Assembly > OpcLabs.BaseLib.Forms Namespace > AutomaticValueControl Class : OnRequestPolymorphicChanged Method
The old value of the property.The old value of the property.
Called when the value of the RequestPolymorphic property has changed.Called when the value of the RequestPolymorphic property has changed.
Syntax
'Declaration
 
Protected Overrides NotOverridable Sub OnRequestPolymorphicChanged( _
   ByVal oldValue As Boolean _
) 
'Usage
 
Dim instance As AutomaticValueControl
Dim oldValue As Boolean
 
instance.OnRequestPolymorphicChanged(oldValue)
protected override void OnRequestPolymorphicChanged( 
   bool oldValue
)
protected:
void OnRequestPolymorphicChanged( 
   bool oldValue
) override 

Parameters

oldValue
The old value of the property.The old value of the property.
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