private void SetButtonState()
{
if (eventEnum == null)
{
prevBtn.Enabled = nextBtn.Enabled = false;
prevBtn.Visible = nextBtn.Visible = false;
}
else
{
eventEnum.Seek(CurrentEvent.EventRecord.Bookmark, -1L);
prevBtn.Enabled = eventEnum.MoveNext();
eventEnum.Seek(CurrentEvent.EventRecord.Bookmark, 1L);
nextBtn.Enabled = eventEnum.MoveNext();
prevBtn.Visible = nextBtn.Visible = true;
}
}
private void FetchEnumEvents(int startIndex, int endIndex)
{
int n = startIndex;
vevEnum.Seek(System.IO.SeekOrigin.Begin, n);
while (vevEnum.MoveNext() && n <= endIndex)
{
vcache[n++] = BuildItem(vevEnum.Current);
}
}
/// <summary>
/// Initializes the dialog with the specified task event.
/// </summary>
/// <param name="taskEvent">The <see cref="TaskEvent"/> to show initially.</param>
/// <param name="log">The <see cref="TaskEventLog"/> for the task.</param>
public void Initialize(TaskEvent taskEvent, TaskEventLog log = null)
{
if (taskEvent == null)
{
throw new ArgumentNullException("taskEvent");
}
if (log != null)
{
eventEnum = log.GetEnumerator() as TaskEventEnumerator;
eventEnum.Seek(CurrentEvent.EventRecord.Bookmark);
}
else
{
eventEnum = null;
}
CurrentEvent = taskEvent;
}