public void Back()
{
if (this.messageCollection.Count > 0 && this.historyPoint.HasValue && this.historyPoint.Value > 0)
{
this.nextHistoryPoint = new Nullable<int>(this.historyPoint.Value - 1);
this.messageIsScrollable = false;
this.enableFilter = false;
this.previousInspectorEntry = this.inspectorEntry;
this.nextInspectorEntry = null;
}
}