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private void Form1_Load(object sender, EventArgs e)
{
}
private void btnCatchMe_Click(object sender, EventArgs e)
{
MessageBox.Show("×¥µ½ÎÒÁË£¬ÕæÀ÷º¦£¡", "×¥µ½ÁË", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void MainForm_MouseMove(object sender, MouseEventArgs e)
{
const int BORDER =50;
const int SPACE = 20;
int x = e.X;
int y = e.Y;
int left = btnCatchMe.Left;
int right = btnCatchMe.Right;
int top = btnCatchMe.Top;
int bottom = btnCatchMe.Bottom;
if (x > left - BORDER && x < right + BORDER && y > top - BORDER && y < bottom + BORDER)
{
btnCatchMe.Top += y > top ? -SPACE : SPACE;
if (btnCatchMe.Top < 0 || btnCatchMe.Bottom > this.Height)
{
btnCatchMe.Top = this.Height / 2;
}
btnCatchMe.Left += x > left ? -SPACE : SPACE;
if (btnCatchMe.Left < 0 || btnCatchMe.Right > this.Width)
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