/// <summary>
/// Initialize a new instance <see cref="GridLayoutDefinitionCollection{T}"/>
/// </summary>
protected GridLayoutDefinitionCollection(MultipleContentControl owner)
{
this.owner = owner;
items = new List <T>();
}
/// <summary>
/// Initialize a new instance <see cref="GridColumnDefinitionCollection"/>
/// </summary>
internal GridColumnDefinitionCollection(MultipleContentControl owner) : base(owner)
{
}
