/// <summary>
/// 删除一个关键点
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_Click(object sender, EventArgs e)
{
if (robot1.KeyPoint.Count < 6)
{
if (robot1.KeyPoint.Count == 0)
{
//如果集合为空，则不操作
}
else
{
robot1.DeleteKeyPoint();
}
}
else
{
robot1.DeleteKeyPoint();
button6.Enabled = true;
}
}
