public static DataGridCell GetDataGridCell(DataGrid dataGrid, DataGridRow rowContainer, int column)
{
if (rowContainer != null)
{
DataGridCellsPresenter presenter = WpfTools.FindVisualChild <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 = WpfTools.FindVisualChild <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 static void SetFocusOnNewCreatedColumn(DataGrid DataGrid, int rowIndex)
{
DataGrid.Focus();
DataGridRow rowContainer = DataGrid.ItemContainerGenerator.ContainerFromIndex(rowIndex) as DataGridRow;
if (rowContainer == null)
{
DataGrid.SelectedIndex = rowIndex;
DataGrid.ScrollIntoView(DataGrid.SelectedItem);
rowContainer = DataGrid.ItemContainerGenerator.ContainerFromIndex(rowIndex) as DataGridRow;
}
if (rowContainer != null)
{
rowContainer.ApplyTemplate();
DataGridCellsPresenter presenter = WpfTools.FindVisualChild <DataGridCellsPresenter>(rowContainer);
DataGridCell cell = presenter.ItemContainerGenerator.ContainerFromIndex(0) as DataGridCell;
if (cell == null)
{
/* bring the column into view in case it has been virtualized away */
DataGrid.ScrollIntoView(rowContainer, DataGrid.Columns[0]);
cell = presenter.ItemContainerGenerator.ContainerFromIndex(0) as DataGridCell;
}
if (cell != null)
{
cell.Focus();
}
}
}
