protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)
{
base.OnPropertyChanged(e);
if (e.Property == HeaderHeightProperty)
{
PositionHeaderCells(ActualWidth);
}
if (e.Property == RowHeightProperty)
{
PositionRows(ActualWidth);
}
if (e.Property == ItemsProperty)
{
InvalidateRows();
PositionRows(ActualWidth);
}
if (e.Property == ActualWidthProperty || e.Property == ActualHeightProperty)
{
PositionRows(ActualWidth);
PositionHeaderCells(ActualWidth);
PositionScroll(ActualWidth);
}
if (e.Property == SelectedItemProperty)
{
SetSelection(new[] { SelectedItem }, null, null, null);
}
if (e.Property == SelectedItemsProperty)
{
SetSelection(SelectedItems.ToArray(), null, null, null);
}
if (e.Property == SelectedRowsProperty)
{
SetSelection(null, SelectedRows.ToArray(), null, null);
}
if (e.Property == SelectedColumnsProperty)
{
SetSelection(null, null, SelectedColumns.ToArray(), null);
}
if (e.Property == SelectedCellsProperty)
{
SetSelection(null, null, null, SelectedCells.ToArray());
}
}