怎么样才能像QQ边框一样?

Question

可以检测用检测距离的方法，：(例如向上隐藏)
if(y<1)//y为窗体在屏幕的纵坐标
窗体.h--;//向上收缩，以前用vb写过，大体上是这样，你自己试试吧，

Answer 1

你参考一下吧!
rivate void button1_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.Top;
            button1.Dock = DockStyle.Top;
            陌生人.Dock = DockStyle.Bottom;
            button3.SendToBack();
            button3.Dock = DockStyle.Bottom;
            listView1.BringToFront();
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear ();
            listView1.Items.Add("小猪",0);
            listView1.Items.Add("小狗",1);
            listView1.Items.Add("娇", 2);
        }        private void Form1_Load(object sender, EventArgs e)
        {
            listView1.Clear();
            listView1.LargeImageList = imageList1;
            listView1.Items.Add("小猪", "小猪", 0);
            listView1.Items.Add("小狗", "小狗", 1);
            listView1.Items.Add("娇", "娇", 2);
            
        }        private void button2_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            陌生人.Dock = DockStyle.Top;
            button1.SendToBack();
            button1.Dock = DockStyle.Top;
            button3.Dock = DockStyle.Bottom;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("北风", "北风", 3);
               }        private void button3_Click(object sender, EventArgs e)
        {
            listView1.Dock = DockStyle.None;
            button3.SendToBack();
            button3.Dock = DockStyle.Top;
            陌生人.SendToBack();
            陌生人.Dock = DockStyle.Top;
            button1.SendToBack();
            button1.Dock = DockStyle.Top;
            listView1.Dock = DockStyle.Bottom;
            listView1.Clear();
            listView1.Items.Add("冰雨", "冰雨", 5);        }