public void Drawings1OnWorkCompleted(object sender, WorkCompletedEventArgs e)
{
ViewBuilder vb = e.WorkUnit as ViewBuilder;
if (vb != null)
{
vb.AddToDrawings(drawings1);
if (drawings1.GetActiveSheet() == null)
{
drawingsPanel1.ActivateSheet(drawings1.Sheets[0].Name);
if (_treeIsDirty)
{
drawingsPanel1.SyncTree();
_treeIsDirty = false;
}
drawings1.ZoomFit();
}
}
EnableUIElements(true);
}