xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="TextBoxColumn" Height="300" Width="300" MinWidth="250">
Height="Auto" VerticalAlignment="Center">
Height="Auto" VerticalAlignment="Center">
VerticalAlignment="Center">Secondary:
Height="Auto" VerticalAlignment="Center">