internal static void SetIcon(DeviceInformation deviceInterface, Action <ShellThumbnail> action)
{
if (deviceInterface.Properties.TryGetValue("System.Devices.Icon", out var value) && value is string path)
{
var iconIndex = ShellUtilities.ParseIconLocationPath(path, out var iconPath);
if (iconPath != null)
{
action(new ShellThumbnail(DeviceClassFolder.NormalizeIconPath(iconPath), iconIndex));
}
}
}
// gets an icon path for a class (guid)
private int?GetIconPath(out string filePath)
{
filePath = null;
using (var key = Registry.LocalMachine.OpenSubKey(Path.Combine(@"SYSTEM\CurrentControlSet\Control\Class", ClassGuid.ToString("B")), false))
{
if (key == null)
{
return(null);
}
var obj = key.GetValue("IconPath");
if (!(obj is string path))
{
path = (obj as string[])?[0];
}
if (string.IsNullOrWhiteSpace(path))
{
return(null);
}
return(ShellUtilities.ParseIconLocationPath(path, out filePath));
}
}
