1 #region 进入窗体时加载
2
3 public FormAlarmInfoQuery()
4 {
5 InitializeComponent();
6 pictureBox1.ImageLocation =
"f:\\1.jpg";
7
8 this.MouseWheel +=
new System.Windows.Forms.MouseEventHandler(
this.panel1_MouseWheel);
9 //判断是否已安装带滚轮的鼠标
10 //SystemInformation.MouseWheelPresent.ToString();
11 //获取鼠标滚轮在滚动时所获得的行数
12 //SystemInformation.MouseWheelScrollLines.ToString();
13 //判断该操作系统是否支持滚轮鼠标
14 //SystemInformation.NativeMouseWheelSupport.ToString();
15 }
16
17 #endregion
1 private void panel1_MouseWheel(
object sender, System.Windows.Forms.MouseEventArgs e)
2 {
3 MessageBox.Show(
"滚动事件已被捕捉");
4 System.Drawing.Size t =
pictureBox1.Size;
5 t.Width +=
e.Delta;
6 t.Height +=
e.Delta;
7 pictureBox1.Width =
t.Width;
8 pictureBox1.Height =
t.Height;
9 }
下面是鼠标控制音乐播放器音量事件
1 public Form1()
2 {
3 InitializeComponent();
4 this.btnjin.MouseWheel +=
new MouseEventHandler(btnjin_MouseWheel);
5
6 }
7 int m1=
30;
8 private void btnjin_MouseWheel(
object sender, System.Windows.Forms.MouseEventArgs e)
9 {
10 if(m1>=
0&&m1<=
100)
11 {
12 m1 += e.Delta /
24;
13 if (m1 >
100)
14 {
15 m1 =
100;
16 }
17 else if (m1 <
0)
18 {
19 m1 =
0;
20 }
21 lblvol.Width = (
60 /
20) * m1 /
5;
22 Music.settings.volume =
m1 ;
23 }
24
25
26 }
27
28 private void btnjin_MouseEnter(
object sender, EventArgs e)
29 {
30 panel2.Visible =
true;
31 }
32
33 private void btnjin_MouseLeave(
object sender, EventArgs e)
34 {
35 panel2.Visible =
false;
36 }
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