VintaSoft Imaging .NET SDK 15.1: Documentation for .NET developer
Vintasoft.Imaging Namespace / CollectionChangeEventArgs<T> Class / OldValue Property
Syntax Requirements SeeAlso
In This Topic
OldValue Property (CollectionChangeEventArgs<T>)
In This Topic
Gets a value of old item.
Syntax
'Declaration

Public ReadOnly Property OldValue As T

public T OldValue { get; }

Property Value

This property returns:
  • null when item is added to collection
  • old value of item when item is changed in collection
  • item value when item is removed from collection
Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

See Also