Programs Knowledge

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Text;
using System.Windows.Forms;

namespace UpgradeNotice
{
    public partial class Form1 : Form
    {
        private int screenHeight;
        private int screenWidth;
        private int timeCount;
        private int stopHightLocation;

        public Form1()
        {
            InitializeComponent();

            this.SetTopLevel(true);
            this.screenWidth = Screen.PrimaryScreen.Bounds.Width;
            this.screenHeight = Screen.PrimaryScreen.Bounds.Height;
            this.Location = new System.Drawing.Point(screenWidth - Width - 5, screenHeight);

            //設定是窗位置在右下角, 工具列上方
            this.stopHightLocation = Screen.PrimaryScreen.Bounds.Height -
                (Screen.PrimaryScreen.Bounds.Height - Screen.PrimaryScreen.WorkingArea.Height
                + this.Height);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            control_timer.Enabled = true;
            close_timer.Enabled = true;
            timeCount = 11;
            close_timer.Interval = 1000;

            //upgradeNoticeIsStart = true; //用來防止重複開啟視窗的flag
            this.label1.Text = "Upgrade Notice";
            this.label1.Left = this.Width / 2 - this.label1.Width / 2;
        }

        private void control_timer_Tick(object sender, EventArgs e)
        {
            if (screenHeight < stopHightLocation)
            {
                control_timer.Enabled = false;
                return;
            }

            if ((screenHeight - 20) < stopHightLocation)
                screenHeight = stopHightLocation;
            else
                screenHeight -= 20;

            //this.Top = screenHeight;
            this.Location = new System.Drawing.Point(screenWidth - Width - 5, screenHeight);
        }

        private void close_timer_Tick(object sender, EventArgs e)
        {
            timeCount -= 1;

            if (timeCount == 0)
            {
                //upgradeNoticeIsStart = false; //用來防止重複開啟視窗的flag
                this.Visible = false;
                this.Dispose();
            }
                this.label2.Text = string.Format("於 {0} 秒後自動關閉", timeCount);
        }
    }
}