private static DataGridCell GetCell(DataGrid dataGrid, DataGridRow rowContainer, int column)
{
if (rowContainer != null)
{
System.Windows.Controls.Primitives.DataGridCellsPresenter presenter
= FindVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
if (presenter == null)
{
/* if the row has been virtualized away, call its ApplyTemplate() method
* to build its visual tree in order for the DataGridCellsPresenter
* and the DataGridCells to be created */
rowContainer.ApplyTemplate();
presenter = FindVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(rowContainer);
}
if (presenter != null)
{
DataGridCell cell = presenter.ItemContainerGenerator.ContainerFromIndex(column) as DataGridCell;
if (cell == null)
{
/* bring the column into view
* in case it has been virtualized away */
dataGrid.ScrollIntoView(rowContainer, dataGrid.Columns[column]);
cell = presenter.ItemContainerGenerator.ContainerFromIndex(column) as DataGridCell;
}
return(cell);
}
}
return(null);
}
public DataGridCell GetCell(int row, int column)
{
DataGridRow dgr = (DataGridRow)this.ItemContainerGenerator.ContainerFromIndex(row);
System.Windows.Controls.Primitives.DataGridCellsPresenter presenter =
DataGridHelper.GetVisualChild <System.Windows.Controls.Primitives.DataGridCellsPresenter>(dgr);
return((DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column));
}
/// <summary>
/// Builds the visual tree for the column header when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
this.RootElement = GetTemplateChild(DATAGRIDROW_elementRoot) as Panel;
//
if (this.RootElement != null)
{
EnsureBackground();
ApplyState(false /*animate*/);
}
bool updateVerticalScrollBar = false;
if (this._cellsElement != null)
{
// If we're applying a new template, we want to remove the cells from the previous _cellsElement
this._cellsElement.Children.Clear();
updateVerticalScrollBar = true;
}
this._cellsElement = GetTemplateChild(DATAGRIDROW_elementCells) as DataGridCellsPresenter;
if (this._cellsElement != null)
{
this._cellsElement.OwningRow = this;
// Cells that were already added before the Template was applied need to
// be added to the Canvas
if (this.Cells.Count > 0)
{
foreach (DataGridCell cell in this.Cells)
{
this._cellsElement.Children.Add(cell);
}
}
}
_detailsElement = GetTemplateChild(DATAGRIDROW_elementDetails) as DataGridDetailsPresenter;
if (_detailsElement != null && this.OwningGrid != null)
{
_detailsElement.OwningRow = this;
if (this.ActualDetailsVisibility == Visibility.Visible && this.ActualDetailsTemplate != null && this._appliedDetailsTemplate == null)
{
// Apply the DetailsTemplate now that the row template is applied.
SetDetailsVisibilityInternal(this.ActualDetailsVisibility, _detailsVisibilityNotificationPending /*raiseNotification*/, false /*animate*/);
_detailsVisibilityNotificationPending = false;
}
}
_bottomGridLine = GetTemplateChild(DATAGRIDROW_elementBottomGridLine) as Rectangle;
EnsureGridLines();
_headerElement = GetTemplateChild(DATAGRIDROW_elementRowHeader) as DataGridRowHeader;
if (_headerElement != null)
{
_headerElement.Owner = this;
if (this.Header != null)
{
_headerElement.Content = Header;
}
EnsureHeaderStyleAndVisibility(null);
}
// The height of this row might have changed after applying a new style, so fix the vertical scroll bar
if (this.OwningGrid != null && updateVerticalScrollBar)
{
this.OwningGrid.UpdateVerticalScrollBar();
}
}
// Token: 0x06005CA4 RID: 23716 RVA: 0x001A1080 File Offset: 0x0019F280
private static object OnCoerceIsVirtualizingProperty(DependencyObject d, object baseValue)
{
DataGridCellsPresenter dataGridCellsPresenter = d as DataGridCellsPresenter;
return(DataGridHelper.GetCoercedTransferPropertyValue(dataGridCellsPresenter, baseValue, VirtualizingPanel.IsVirtualizingProperty, dataGridCellsPresenter.DataGridOwner, DataGrid.EnableColumnVirtualizationProperty));
}
// Token: 0x06005C93 RID: 23699 RVA: 0x001A0CAC File Offset: 0x0019EEAC
private static object OnCoerceMinHeight(DependencyObject d, object baseValue)
{
DataGridCellsPresenter dataGridCellsPresenter = d as DataGridCellsPresenter;
return(DataGridHelper.GetCoercedTransferPropertyValue(dataGridCellsPresenter, baseValue, FrameworkElement.MinHeightProperty, dataGridCellsPresenter.DataGridOwner, DataGrid.MinRowHeightProperty));
}