具体实现方法如下：
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namespace WindowsApplication1{ public partial class Form2 : Form { public Form2() { InitializeComponent(); this.Opacity = 1; this.Text = "opacity=1"; this.TopMost = true; } private void Form2_Activated(object sender, EventArgs e) { this.timer1.Enabled = true; } private void Form2_Deactivate(object sender, EventArgs e) { this.timer1.Enabled = false; this.Opacity = 1; this.Text = "opacity=" + this.Opacity.ToString(); } private void Form2_Load(object sender, EventArgs e) { } private void timer1_Tick(object sender, EventArgs e) { if (this.Opacity > 0) { this.Opacity -= 0.1; this.Text = "opacity=" + this.Opacity.ToString(); } else if (this.Opacity == 0) { this.Close(); } else this.timer1.Enabled = false; } }} |
希望本文所述对大家的C#程序设计有所帮助。
原文：http://www.cnblogs.com/wanzhongjun/p/6388498.html