using System.Threading;
//定義線程用來更換字體的顏色
Thread a; //全局變量
//在窗體加載事件
private void frmMian_Load(object sender, EventArgs e)
{
a = new Thread(new ThreadStart(show));
a.Start();
}
//下面有3個label(線程方法)
private void show()
{
for(int i=1;i<=7;i++)
{
if(i == 1)
{
lbl1.ForeColor = Color.Blue;
lbl2.ForeColor = Color.Blue;
lbl3.ForeColor = Color.Blue;
}
if (i == 2)
{
lbl1.ForeColor = Color.Purple;
lbl2.ForeColor = Color.Purple;
lbl3.ForeColor = Color.Purple;
lblSystemInfo.Text = "本系統已更新>>當用戶查詢[會員][用戶]所有信息時可以在表中自由修改信息";
}
if (i == 3)
{
lbl1.ForeColor = Color.Green;
lbl2.ForeColor = Color.Green;
lbl3.ForeColor = Color.Green;
}
if (i == 4)
{
lbl1.ForeColor = Color.Red;
lbl2.ForeColor = Color.Red;
lbl3.ForeColor = Color.Red;
}
if (i == 5)
{
lbl1.ForeColor = Color.Yellow;
lbl2.ForeColor = Color.Yellow;
lbl3.ForeColor = Color.Yellow;
lblSystemInfo.Text = "本系統已更新>>當網吧要增加業務時,就得擴展電腦的數量,本系統支持增加電腦功能";
}
if (i == 6)
{
lbl1.ForeColor = Color.Cyan;
lbl2.ForeColor = Color.Cyan;
lbl3.ForeColor = Color.Cyan;
}
if (i == 7)
{
lbl1.ForeColor = Color.Coral;
lbl2.ForeColor = Color.Coral;
lbl3.ForeColor = Color.Coral;
lblSystemInfo.Text = "本系統已更新>>不斷更新是我們的追求,謝謝您的使用";
//當i=7的時候讓他繼續循環，=1；
i = 1;
}
//壹次循環沈睡1秒
Thread.Sleep(1000);
}
}