C#窗体淡入淡出
- //淡入
- public int state = 0;
- private void f2_Load(object sender, EventArgs e)
- {
- this.Opacity = 0;
- }
- private void timer1_Tick(object sender, EventArgs e)
- {
- if (state == 0)
- {
- this.Opacity += 0.02;
- if (this.Opacity == 1)
- {
- state = 1;
- timer1.Enabled = false;
- }
- }
- else
- {
- this.Opacity = Opacity - 0.02;
- if (this.Opacity == 0)
- {
- Application.ExitThread();
- }
- }
- }
- //退出
- private void f2closing(object sender, FormClosingEventArgs e)
- {
- e.Cancel = true;
- timer1.Start();
- }
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