c# 滑轮事件
private void Form1_Load(object sender, EventArgs e) { this.MouseWheel += new MouseEventHandler(Form1_MouseWheel); } void Form1_MouseWheel(object sender, MouseEventArgs e) { if (e.Delta > 0) { this.Text = "正在向上滚动滑轮"; } else { this.Text = "正在向下滚动滑轮"; } }