internal void AddRecylableRow(DataGridRow row)
{
Debug.Assert(!_recyclableRows.Contains(row), "Expected row parameter to be non-recyclable.");
row.DetachFromDataGrid(true);
_recyclableRows.Push(row);
}
public void ClearDetailsContentInformationOnRecycle()
{
DataGrid dataGrid = new DataGrid();
dataGrid.Height = 350;
dataGrid.Width = 350;
this._isLoaded = false;
CustomerList customers = new CustomerList(20);
dataGrid.ItemsSource = customers;
dataGrid.Loaded += this.dataGrid_Loaded;
TestPanel.Children.Add(dataGrid);
this.EnqueueConditional(delegate { return(this._isLoaded); });
double scrollBarMax = 0;
this.EnqueueYieldThread();
EnqueueCallback(delegate
{
scrollBarMax = dataGrid.VerticalScrollBar.Maximum;
dataGrid.SelectedItem = customers[0];
dataGrid.RowDetailsTemplate = XamlReader.Load(@"
<DataTemplate
xmlns:data=""clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data""
xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"" >
<Button Height=""50"" />
</DataTemplate>") as DataTemplate;
});
this.EnqueueYieldThread();
EnqueueCallback(delegate
{
DataGridRow row = dataGrid.DisplayData.GetDisplayedElement(0) as DataGridRow;
Assert.IsNotNull(row);
double contentHeight = row.TestHook.DetailsPresenter.ContentHeight;
Assert.AreNotEqual(0.0, contentHeight);
// Unfortuantely, we cannot reliably get a row to be recycled through normal means but guarantee
// that it will not be reused
row.DetachFromDataGrid(true);
contentHeight = row.TestHook.DetailsPresenter.ContentHeight;
Assert.AreEqual(0.0, contentHeight);
});
EnqueueTestComplete();
}
