/// <summary>
/// Initializes a new instance of the <see cref="UnitDecorator"/> class.</summary>
/// <param name="renderer">
/// The <see cref="MapViewRenderer"/> containing the map display to decorate.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="renderer"/> is a null reference.</exception>
public UnitDecorator(MapViewRenderer renderer)
{
if (renderer == null)
{
ThrowHelper.ThrowArgumentNullException("renderer");
}
this._renderer = renderer;
}
/// <summary>
/// Initializes a new instance of the <see cref="VariableDrawer"/> class.</summary>
/// <param name="renderer">
/// The <see cref="MapViewRenderer"/> containing the map display to decorate.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="renderer"/> is a null reference.</exception>
public VariableDrawer(MapViewRenderer renderer)
{
if (renderer == null)
{
ThrowHelper.ThrowArgumentNullException("renderer");
}
this._renderer = renderer;
// trigger initial update
ValueRangeChanged = true;
}