//When selection changed in combobox (pressing arrow key down or up) must be synchronized with opened DataGrid popup
protected override void OnSelectionChanged(SelectionChangedEventArgs e)
{
IstextChanged = true;
base.OnSelectionChanged(e);
if (popupDataGrid == null)
{
IstextChanged = false;
return;
}
if (!DesignerProperties.GetIsInDesignMode(this))
{
if (IsDropDownOpen)
{
if (this.SelectedItem != null)
{
popupDataGrid.SelectedItem = this.SelectedItem;
}
if (popupDataGrid.SelectedItem != null && !IsPartiralData)
{
popupDataGrid.ScrollIntoView(popupDataGrid.SelectedItem);
}
}
}
if (!IsintextChanged)
{
IstextChanged = false;
}
}
public static Microsoft.Windows.Controls.DataGridCell GetCell(this Microsoft.Windows.Controls.DataGrid grid, Microsoft.Windows.Controls.DataGridRow row, int column)
{
if (row != null)
{
DataGridCellsPresenter presenter = GetVisualChild <DataGridCellsPresenter>(row);
if (presenter == null)
{
grid.ScrollIntoView(row, grid.Columns[column]);
presenter = GetVisualChild <DataGridCellsPresenter>(row);
}
Microsoft.Windows.Controls.DataGridCell cell = (Microsoft.Windows.Controls.DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column);
return(cell);
}
return(null);
}