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 | using System;using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace qumo
 {
 public partial class Form1 : Form
 {
 private bool flag;
 private Rectangle[,] rectangles;
 private bool[,] myColors;
 private Point point = new Point(45, 15);
 private Color brushColor;
 
 
 void RectangleInit()
 {
 myColors = new bool[8, 8];
 for (int i = 0; i < 8; i++)
 {
 for (int j = 0; j < 8; j++)
 {
 myColors[i, j] = false;
 }
 }
 rectangles = new Rectangle[8, 8];
 for (int i = 0; i < 8; i++)
 {
 for (int j = 0; j < 8; j++)
 {
 rectangles[i, j].Height = 25;
 rectangles[i, j].Width = 25;
 rectangles[i, j].X = point.X + 25 * i;
 rectangles[i, j].Y = point.Y + 25 * j;
 }
 }
 }
 
 public Form1()
 {
 InitializeComponent();
 }
 
 private void Form1_Load(object sender, EventArgs e)
 {
 RectangleInit();
 this.flag = false;
 brushColor = Color.FromArgb(255, 0, 0);
 rbtnRed.Checked = true;
 }
 
 private void Form1_MouseDown(object sender, MouseEventArgs e)
 {
 this.flag = true;
 }
 
 private void Form1_MouseMove(object sender, MouseEventArgs e)
 {
 if (flag)
 {
 Graphics g = CreateGraphics();
 try
 {
 if (e.X >= point.X && e.X < 200+point.X && e.Y >= point.Y && e.Y < 200+point.Y)
 {
 int tempX = (e.X - point.X) / 25;
 int tempY = (e.Y - point.Y) / 25;
 g.FillRectangle(new SolidBrush(brushColor), rectangles[tempX, tempY]);
 if (!brushColor.Equals(Color.Black))
 {
 myColors[tempX, tempY] = true;
 }
 else
 {
 myColors[tempX, tempY] = false;
 }
 }
 }
 catch { }
 
 for (int i = 0; i < 8; i++)
 {
 for (int j = 0; j < 8; j++)
 {
 g.DrawRectangle(new Pen(Color.White), rectangles[i, j]);
 }
 }
 }
 }
 
 private void Form1_MouseUp(object sender, MouseEventArgs e)
 {
 this.flag = false;
 }
 
 private void Form1_Paint(object sender, PaintEventArgs e)
 {
 for (int i = 0; i < 8; i++)
 {
 for (int j = 0; j < 8; j++)
 {
 e.Graphics.FillRectangle(new SolidBrush(Color.Black),
 rectangles[i, j]);
 }
 }
 
 for (int i = 0; i < 8; i++)
 {
 for (int j = 0; j < 8; j++)
 {
 e.Graphics.DrawRectangle(new Pen(Color.White),
 rectangles[i, j]);
 }
 }
 
 }
 
 private void button1_Click(object sender, EventArgs e)
 {
 var frm = new Form2();
 frm.color = myColors;
 frm.Show();
 }
 
 private void rbtnBlue_CheckedChanged(object sender, EventArgs e)
 {
 brushColor = Color.Blue;
 }
 
 private void rbtnRed_CheckedChanged(object sender, EventArgs e)
 {
 brushColor = Color.Red;
 }
 
 private void rbtnBlack_CheckedChanged(object sender, EventArgs e)
 {
 brushColor = Color.Black;
 }
 
 }
 }
 
 |