public Guid AsyncStatusChange(string statusText, Cursor cursor)
{
if (!this.IsHandleCreated)
{
throw new InvalidOperationException(
"Cannot change status when window handle is not created.");
}
Guid guid = Guid.NewGuid();
DataActionStatusState state = new DataActionStatusState(statusText, cursor);
statusTable.Add(guid, state);
Status = statusText;
Cursor = cursor;
return(guid);
}
public void AsyncStatusRevert(Guid statusGuid, string revertStatus)
{
if (!this.IsHandleCreated)
{
throw new InvalidOperationException(
"Cannot revert status when window handle is not created.");
}
statusTable.Remove(statusGuid);
if (statusTable.Count != 0)
{
DataActionStatusState last = statusTable.Last().Value;
Status = last.Message;
Cursor = last.Cursor;
}
else
{
Status = string.IsNullOrEmpty(revertStatus) ? DefaultStatus : revertStatus;
Cursor = Cursors.Default;
}
}
