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摘要： public Form1() { InitializeComponent(); } private bool isForm1 = true; //设置用于指示淡入淡出变化方向的变量 private void Form1_Load(object sender, EventArgs e) { this.ClientSize = this.BackgroundImage.Size; //设置欢迎的界面大小和背景的图片大小一致 this.Opacity = 0; //欢迎界面全透明 this.timer1.Interval = 50; //设置timer的时间间隔 this.timer1.En... 阅读全文