/// <summary>
/// 在U盘移除后清理可移动磁盘列表和控件
/// </summary>
private void ClearDriveList()
{
DriveInfo[] drives = DriveInfo.GetDrives();
//清除在DriveList中但已被移除的设备，通常是直接拔出U盘
foreach (USBDevice usbDrive in DriveList)
{
if (!Array.Exists(drives, x => x.Name == usbDrive.Name))
{
leftPanel.Children.Remove(usbDrive.Button);
rightPanel.Children.Remove(usbDrive.ComState);
DriveList.Remove(usbDrive);
break;
}
}
//清除已移除但仍在DriveList中并未清除控件的设备,通常是使用界面按钮移除的设备
foreach (DriveInfo drive in drives)
{
if (!drive.IsReady)
{
USBDevice usbDrive = DriveList.Find(x => x.Name == drive.Name);
if (usbDrive != null)
{
leftPanel.Children.Remove(usbDrive.Button);
rightPanel.Children.Remove(usbDrive.ComState);
DriveList.Remove(usbDrive);
}
}
}
if (DriveList.Count == 0)
{
NoDriveState.Visibility = Visibility.Visible;
}
}
void OnDriveChanged(object sender, object NewValue)
{
IDrive newDrive = driveList.Find(NewValue as string);
schedule.DriveChanged(drive, newDrive, time, position);
drive = newDrive;
}
/// <summary>
/// 弹出U盘
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DoUSBout(object sender, RoutedEventArgs e)
{
var sourceButton = sender as Button;
string deviceName = DriveList.Find(x => x.Button.Equals(sourceButton)).Name;
uint removeState = USBDevice.RemoveDevice(deviceName);
if (removeState == 0)
{
//MessageBox.Show(string.Format("可移动设备{0}已移除", deviceName));
ClearDriveList();
}
else
{
MessageBox.Show(string.Format("可移动设备{0}移除失败代码：{1}", deviceName, removeState.ToString()));
}
}