C#实现气泡屏保效果（用1个timer）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace _03气泡_续续集
{public partial class Form1 : Form{public Form1(){InitializeComponent();}Label lb = new Label();Timer time = new Timer();private void Form1_Load(object sender, EventArgs e){this.WindowState = FormWindowState.Maximized;this.FormBorderStyle = FormBorderStyle.None;lb.Text = "一屉热乎乎的小笼包";lb.Font = new Font("楷体",30);lb.AutoSize = true;this.Controls.Add(lb);time.Interval = 1;time.Start();time.Tick += Time_Tick;}int x = 5;int y = 5;private void Time_Tick(object sender, EventArgs e){lb.Left = lb.Left + x;lb.Top = lb.Top + y;if (x>0 && y>0){if (lb.Top+lb.Height>=Screen.PrimaryScreen.WorkingArea.Height){x = 5;y = -5;}if (lb.Left+lb.Width>=Screen.PrimaryScreen.Bounds.Width){x = -5;y = 5;}}if (x>0 && y<0){if (lb.Left+lb.Width>=Screen.PrimaryScreen.Bounds.Width){x = -5;y = -5;}if (lb.Top<=0){x = 5;y = 5;}}if (x<0 && y<0){if (lb.Top<=0){x = -5;y = 5;}if (lb.Left<=0){x = 5;y = -5;}}if (x<0 && y>0){if (lb.Left <= 0){x = 5;y = 5;}if (lb.Top + lb.Height >= Screen.PrimaryScreen.WorkingArea.Height){x = -5;y = -5;}}}}
}

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C#实现气泡屏保效果（用1个timer）

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