逐渐显示的窗体

 

 1private void Form1_Load(object sender, System.EventArgs e)
 2        {
 3            this.timer1.Enabled=true;
 4            //窗体不透明级别
 5            this.Opacity=0;
 6        }
 7
 8        /**//// <summary>
 9        /// 定时器事件
10        /// </summary>
11        /// <param name="sender"></param>
12        /// <param name="e"></param>
13        private void timer1_Tick(object sender, System.EventArgs e)
14        {
15            if(this.Opacity<1)
16            {
17                this.Opacity=this.Opacity+0.05;
18            }
19            else
20            {
21                this.timer1.Enabled=false;
22            }
23        }