ДЗ: UIElement

using System;

internal class Program
{
    static void Main(string[] args)
    {
        DrawBar(26, 10, ConsoleColor.Green, 0, 0);
        DrawBar(50, 15, ConsoleColor.Blue, 20, 0);
        Console.ReadKey();
    }

    static void DrawBar(int percent, int barLength, ConsoleColor color, int positionX, int positionY)
    {
        ConsoleColor defaultColor = Console.ForegroundColor;
        int minPercent = 0;
        int maxPercent = 100;
        char fillChar = '#';
        char emptyChar = '_';

        if (percent > maxPercent)
        {
            percent = maxPercent;
        }

        if (percent < minPercent)
        {
            percent = minPercent;
        }

        int filledCount = percent * barLength / maxPercent;
        int emptyCount = barLength - filledCount;

        Console.SetCursorPosition(positionX, positionY);
        Console.ForegroundColor = color;
        Console.Write('[');

        for (int i = 0; i < filledCount; i++)
        {
            Console.Write(fillChar);
        }

        for (int i = 0; i < emptyCount; i++)
        {
            Console.Write(emptyChar);
        }

        Console.Write(']');
        Console.ForegroundColor = defaultColor;
    }
}