private void OnExecuted(TaskServiceEventArgs e)
{
if (this.executed == null)
{
return;
}
this.executed((object)this, e);
}
protected virtual void OnRedone(TaskServiceEventArgs e)
{
this.IsUndoing = false;
if (this.redone == null)
{
return;
}
this.redone((object)this, e);
}