practice/Model/RandomField.cs

using System;

namespace WebApplication1
{
    public class RandomField : Field
    {
        private const int MaxTypeValue = 1;
        private const int MaxColorValue = 2;

        public RandomField(int iCount)
        {
            Random rr = new Random();
            for (int ii = 0; ii < iCount; ii++)
            {
                this.Figures.Add(new Figure()
                {
                    FigureColor = rr.Next(MaxColorValue),
                    FigureType = rr.Next(MaxTypeValue) + 1,
                    PosX = rr.Next(FigureMover.FieldXMin, FigureMover.FieldXMax + 1),
                    PosY = rr.Next(FigureMover.FieldYMin, FigureMover.FieldYMax + 1),                    
                });
            }
        }
    }
}