/// <summary>
/// Creates a new Window, or returns the existing one (ignoring input parameters if one already exists).
/// </summary>
/// <param name="displayDimensions">Size of the window.</param>
/// <param name="palette">Glyph settings to use.</param>
/// <param name="context">Control requesting window?</param>
/// <returns>A new window the first time it is called, or the existing window on subsequent calls.</returns>
public override AbstractWindow CreateWindow(Size displayDimensions, GlyphPalette palette, Object context)
{
if (_window == null)
{
_window = new TKWindow(displayDimensions, palette, context as Control);
_window.FocusWindow();
}
return(_window);
}