private void RecreateChildItems()
{
if (this.ListView != null && this.DataSource != null && this.childDataSources.Count > 0)
{
this.ApplySort();
if (this.ListView.InvokeRequired)
{
this.ListView.Invoke(new MethodInvoker(this.RecreateChildItems));
return;
}
this.ListView.BeginUpdate();
try
{
if (this.ChildrenItems.Count > 0)
{
if (this.ChildrenItems[0].IsInListView)
{
this.ListView.BackupItemsStates();
}
this.ChildrenItems.Clear();
}
foreach (object obj in this.childDataSources)
{
BindingSource bindingSource = (BindingSource)obj;
foreach (object obj2 in bindingSource)
{
DataTreeListViewItem dataTreeListViewItem = this.ListView.InternalCreateListViewItemForRow(obj2);
dataTreeListViewItem.ColumnMapping = (DataTreeListViewColumnMapping)this.dataSource2ColumnMapping[bindingSource];
dataTreeListViewItem.UpdateItem();
if (dataTreeListViewItem.ColumnMapping.ImageIndex < 0)
{
if (!string.IsNullOrEmpty(this.ListView.ImagePropertyName))
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(obj2);
PropertyDescriptor propertyDescriptor = properties[this.ListView.ImagePropertyName];
if (propertyDescriptor != null)
{
dataTreeListViewItem.ImageKey = DataListView.GetPropertyValue(obj2, propertyDescriptor).ToString();
}
}
}
else
{
dataTreeListViewItem.ImageIndex = dataTreeListViewItem.ColumnMapping.ImageIndex;
}
this.ChildrenItems.Add(dataTreeListViewItem);
}
}
this.ListView.RaiseItemsForRowsCreated(EventArgs.Empty);
}
finally
{
this.ListView.EndUpdate();
}
this.ListView.TrySelectItemBySpecifiedIdentity();
}
}
private void ChildList_ListChanged(object sender, ListChangedEventArgs e)
{
if (this.ListView == null)
{
this.ChildrenItems.Clear();
this.IsExpanded = false;
this.childDataSources.Clear();
return;
}
IList list = sender as IList;
if (list != null)
{
switch (e.ListChangedType)
{
case ListChangedType.Reset:
case ListChangedType.ItemDeleted:
this.ListView.SelectedIndices.Clear();
this.ListView.RaiseSelectionChanged();
this.RecreateChildItems();
return;
case ListChangedType.ItemChanged:
{
object row = list[e.NewIndex];
DataTreeListViewItem dataTreeListViewItem = this.ListView.GetItemFromRow(row) as DataTreeListViewItem;
if (dataTreeListViewItem == null)
{
return;
}
if (this.ListView.InvokeRequired)
{
this.ListView.Invoke(new MethodInvoker(dataTreeListViewItem.UpdateItem));
return;
}
dataTreeListViewItem.UpdateItem();
return;
}
}
this.RecreateChildItems();
}
}
