<PackageReference Include="System.Data.Common" Version="4.0.1-beta-23409" />

StateChangeEventArgs

public sealed class StateChangeEventArgs : EventArgs
Provides data for the state change event of a .NET Framework data provider.
public ConnectionState CurrentState { get; }

Gets the new state of the connection. The connection object will be in the new state already when the event is fired.

public ConnectionState OriginalState { get; }

Gets the original state of the connection.

public StateChangeEventArgs(ConnectionState originalState, ConnectionState currentState)

Initializes a new instance of the StateChangeEventArgs class, when given the original state and the current state of the object.