private void Runaway(object button)
{
ButtonAndMouse buttonAndMouse = (ButtonAndMouse)button;
Button btn = buttonAndMouse.button;
MouseEventArgs e = buttonAndMouse.mouse;
int btnX = btn.Location.X + btn.Width / 2;
int btnY = btn.Location.Y + btn.Height / 2;
double len = Math.Sqrt((e.X - btnX) * (e.X - btnX) + (e.Y - btnY) * (e.Y - btnY));
if (len < distance)
{
int newX = (int)((btnX - e.X) / len * distance + e.X) - btn.Width / 2;
int newY = (int)((btnY - e.Y) / len * distance + e.Y) - btn.Height / 2;
if (newX >= this.ClientSize.Width - btn.Width)
{
newX = 0;
}
if (newX < 0)
{
newX = ClientSize.Width - btn.Width;
}
if (newY >= this.ClientSize.Height - btn.Height)
{
newY = 24;
}
if (newY < 24)
{
newY = ClientSize.Height - btn.Height;
}
btn.Location = new Point(newX, newY);
}
}
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
for (int i = 0; i < buttons.Count; i++)
{
ButtonAndMouse buttonAndMouse = new ButtonAndMouse {
button = buttons[i], mouse = e
};
Thread thread = new Thread(Runaway);
thread.Start(buttonAndMouse);
}
}