private void Form1_Shown(object sender, EventArgs e)
{
DriveInfo[] s = DriveInfo.GetDrives();
foreach (DriveInfo drive in s)
{
if (drive.DriveType == DriveType.Removable)
{
Upanel U = new Upanel();
U.Location = new System.Drawing.Point(Screen.PrimaryScreen.Bounds.Width - 300, top);
top += 93;
U.isOpen = false;
U.tag = drive.Name.ToString();
U.u_name = drive.Name.ToString() + " " + drive.VolumeLabel + "\n(" + Math.Round(drive.AvailableFreeSpace / 1098907648.0, 2) + "G)可用";
this.Controls.Add(U);
Us.Add(U);
}
}
}
protected override void WndProc(ref Message m)
{
if (m.Msg == WM_DEVICECHANGE)
{
switch (m.WParam.ToInt32())
{
case DBT_DEVICEARRIVAL: //U盘插入
DriveInfo[] uin = DriveInfo.GetDrives();
foreach (DriveInfo drive in uin)
{
if (drive.DriveType == DriveType.Removable)
{
int i;
for (i = 0; i < Us.Count; i++)
{
if (Us[i].tag.Equals(drive.Name.ToString())) //找到盘符
{
break;
}
}
if (i == Us.Count)
{
pf = drive.Name.ToString(); //U盘 盘符
Upanel U = new Upanel();
U.tag = drive.Name.ToString();
U.Location = new System.Drawing.Point(Screen.PrimaryScreen.Bounds.Width - 300, top);
top += 93;
U.isOpen = false;
U.u_name = drive.Name.ToString() + " " + drive.VolumeLabel + "\n(" + Math.Round(drive.AvailableFreeSpace / 1098907648.0, 2) + "G)可用";
this.Controls.Add(U);
Us.Add(U);
label1.Text = "U盘已插入,正在检测...";
new Form3("U盘已插入").ShowDialog();
//Form4.pf = drive.Name.ToString(); //U盘 盘符
if (f2.Key == false) //key 为false 表示未验证成功
{
this.U_Disks(); //U盘验证
}
}
//break;
}
}
break;
case DBT_DEVICEREMOVECOMPLETE: //U盘卸载
top -= 93;
if (Us.Count == 1)
{
Us[0].Dispose();
Us.Remove(Us[0]);
}
else if (Us.Count >= 2)
{
//找出拔出的U盘并释放
int i, j;
for (i = 0; i < Us.Count; i++)
{
DriveInfo[] s = DriveInfo.GetDrives();
for (j = 0; j < s.Length; j++)
{
if (s[j].DriveType == DriveType.Removable)
{
if (Us[i].tag.Equals(s[j].Name.ToString()))
{
break;
}
}
}
if (j == s.Length) //表明没有找到对应盘符 Us[i]
{
Us[i].Dispose(); //释放Us[i]
Us.Remove(Us[i]);
}
}
}
new Form3("U盘已拔出").ShowDialog();
label1.Text = "请插入认证U盘";
break;
default:
break;
}
}
base.WndProc(ref m);
}
