System.ComponentModel.ProgressChangedEventArgs

public class ProgressChangedEventArgs : EventArgs

Provides data for the ProgressChanged event.

public int ProgressPercentage { get; }

Gets the asynchronous task progress percentage.

public object UserState { get; }

Gets a unique user state.

public ProgressChangedEventArgs(int progressPercentage, object userState)

Initializes a new instance of the ProgressChangedEventArgs class.