上图
public partial class Form1 : Form
{
private DateTime StartTime;
private const int hours = 0;
private const int minutes = 30;
private const int sec = 0;
private TimeSpan sCountdown = new TimeSpan(hours, minutes, sec);
private bool FromStatus = false;
public Form1()
{
InitializeComponent();
this.Size = new Size(525, 260);
this.tableLayoutPanel1.Height = 135;
}
private void CenterFrom()
{
this.Hide();
this.Size = new Size(525, 260);
this.Location = new Point((Screen.PrimaryScreen.WorkingArea.Width - this.Width)/2, (Screen.PrimaryScreen.WorkingArea.Height - this.Height)/2);
lableTip.Visible = true;
label6.Text = "↗";
this.Show();
}
private void TopFrom()
{
this.Hide();
this.Location = new Point(Screen.PrimaryScreen.WorkingArea.Width - this.Width, 0);
this.Size = new Size(525, 130);
lableTip.Visible = false;
label6.Text = "↙";
this.Show();
}
private void timer1_Tick(object sender, EventArgs e)
{
TimeSpan end = DateTime.Now.Subtract(StartTime);
TimeSpan cd = sCountdown - end;
if(cd.TotalSeconds<0)
{
timer1.Stop();
Process.Start("c:/windows/system32/shutdown.exe", "-s -t 0");
this.Hide();
}
else
Showtime(cd);
}
private void Form1_Load(object sender, EventArgs e)
{
this.BackColor = Color.FromArgb(132, 132,132);
this.TransparencyKey = Color.FromArgb(132, 132, 132);
lableTip.Text = "关机倒计时";
Showtime(sCountdown);
StartTime = DateTime.Now;
timer1.Start();
}
private void Showtime(TimeSpan cd)
{
label1.Text = (cd.Minutes / 10).ToString();
label2.Text = (cd.Minutes % 10).ToString();
label3.Text = (cd.Seconds / 10).ToString();
label4.Text = (cd.Seconds % 10).ToString();
}
private void label6_Click(object sender, EventArgs e)
{
if (FromStatus)
CenterFrom();
else
TopFrom();
FromStatus = !FromStatus;
}
}