/// <summary>
/// Create active new model containing specified text
/// </summary>
/// <param name="subject">The PStyledText the instance is modelling</param>
/// <param name="startText">The text it should contain</param>
public Model(PStyledText subject, string startText)
{
Subject = subject;
Text = startText;
Select(Text.Length, 0);
}
/// <summary>
/// Sets the current selection of a PStyledText to the current style
/// </summary>
/// <param name="target"></param>
public void ApplyStyle(PStyledText target)
{
ApplyStyle(target.Model);
}