/// <summary>Returns the row that contains this cell</summary>
public static DataGridRow GetRow(this DataGridCell cell)
{
return(Gui_.FindVisualParent <DataGridRow>(cell) ?? throw new Exception("Cell does not have an associated row"));
}
/// <summary>Returns the cell that contains 'dp' (or null)</summary>
public static DataGridCell?FindCell(DependencyObject dp)
{
return(Gui_.FindVisualParent <DataGridCell>(dp));
}