/// <summary>
/// Tells the row owner about this element.
/// </summary>
public override void OnApplyTemplate()
{
// If a new template has just been generated then
// be sure to clear any stale ItemsHost references
if (InternalItemsHost != null && !this.IsAncestorOf(InternalItemsHost))
{
InternalItemsHost = null;
}
base.OnApplyTemplate();
// Find the columns collection and set the ItemsSource.
DataGrid grid = ParentDataGrid;
if (grid != null)
{
ItemsSource = new DataGridColumnHeaderCollection(grid.Columns);
grid.ColumnHeadersPresenter = this;
DataGridHelper.TransferProperty(this, VirtualizingPanel.IsVirtualizingProperty);
DataGridColumnHeader fillerColumnHeader = GetTemplateChild(ElementFillerColumnHeader) as DataGridColumnHeader;
if (fillerColumnHeader != null)
{
DataGridHelper.TransferProperty(fillerColumnHeader, DataGridColumnHeader.StyleProperty);
DataGridHelper.TransferProperty(fillerColumnHeader, DataGridColumnHeader.HeightProperty);
}
}
else
{
ItemsSource = null;
}
}
/// <summary>
/// Tells the row owner about this element.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
// Find the columns collection and set the ItemsSource.
DataGrid grid = ParentDataGrid;
if (grid != null)
{
ItemsSource = new DataGridColumnHeaderCollection(grid.Columns);
grid.ColumnHeadersPresenter = this;
DataGridHelper.TransferProperty(this, VirtualizingStackPanel.IsVirtualizingProperty);
DataGridColumnHeader fillerColumnHeader = GetTemplateChild(ElementFillerColumnHeader) as DataGridColumnHeader;
if (fillerColumnHeader != null)
{
DataGridHelper.TransferProperty(fillerColumnHeader, DataGridColumnHeader.StyleProperty);
DataGridHelper.TransferProperty(fillerColumnHeader, DataGridColumnHeader.HeightProperty);
}
}
else
{
ItemsSource = null;
}
}
// Token: 0x06004889 RID: 18569 RVA: 0x00149CA0 File Offset: 0x00147EA0
private void OnColumnsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
NotifyCollectionChangedEventArgs args;
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
args = new NotifyCollectionChangedEventArgs(e.Action, DataGridColumnHeaderCollection.HeadersFromColumns(e.NewItems), e.NewStartingIndex);
break;
case NotifyCollectionChangedAction.Remove:
args = new NotifyCollectionChangedEventArgs(e.Action, DataGridColumnHeaderCollection.HeadersFromColumns(e.OldItems), e.OldStartingIndex);
break;
case NotifyCollectionChangedAction.Replace:
args = new NotifyCollectionChangedEventArgs(e.Action, DataGridColumnHeaderCollection.HeadersFromColumns(e.NewItems), DataGridColumnHeaderCollection.HeadersFromColumns(e.OldItems), e.OldStartingIndex);
break;
case NotifyCollectionChangedAction.Move:
args = new NotifyCollectionChangedEventArgs(e.Action, DataGridColumnHeaderCollection.HeadersFromColumns(e.OldItems), e.NewStartingIndex, e.OldStartingIndex);
break;
default:
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset);
break;
}
this.FireCollectionChanged(args);
}
