shap junc(shap sh)
{
if (sh.x <= 0 || sh.x >= panel1.Width)
{
sh.DX *= -1;
}
if (sh.y <= 0 || sh.y >= panel1.Height)
{
sh.DY *= -1;
}
return(sh);
}
private void button2_Click(object sender, EventArgs e)
{
int x = Int32.Parse(textBox1.Text.Trim());
int y = Int32.Parse(textBox2.Text.Trim());
int w = Int32.Parse(textBox3.Text.Trim());
int h = Int32.Parse(textBox4.Text.Trim());
SHAP = new Box(x, y, w, h);
label8.Text = String.Format("{0:0.000}", SHAP.area());
SHAP.setpaint(panel1);
SHAP.Draw();
arr[i] = SHAP;
i++;
}