public static IEnumerable <string> GetAllDevicePaths(Guid guid)
{
var ret = new List <string>();
var deviceInfoSet = NativeInterface.SetupDiGetClassDevs(ref guid, null, 0,
NativeInterface.DIGCF_PRESENT | NativeInterface.DIGCF_DEVICEINTERFACE);
if (deviceInfoSet.ToInt64() != NativeInterface.INVALID_HANDLE_VALUE)
{
var deviceInfoData = _CreateDeviceInfoData();
var deviceIndex = 0;
while (NativeInterface.SetupDiEnumDeviceInfo(deviceInfoSet, deviceIndex, ref deviceInfoData))
{
deviceIndex += 1;
var deviceInterfaceData = new NativeInterface.SP_DEVICE_INTERFACE_DATA();
deviceInterfaceData.cbSize = Marshal.SizeOf(deviceInterfaceData);
var deviceInterfaceIndex = 0;
while (NativeInterface.SetupDiEnumDeviceInterfaces(deviceInfoSet, ref deviceInfoData,
ref guid, deviceInterfaceIndex, ref deviceInterfaceData))
{
ret.Add(_GetDevicePath(deviceInfoSet, deviceInterfaceData));
deviceInterfaceIndex++;
}
}
NativeInterface.SetupDiDestroyDeviceInfoList(deviceInfoSet);
}
return(ret);
}
private static string _GetDevicePath(IntPtr deviceInfoSet,
NativeInterface.SP_DEVICE_INTERFACE_DATA deviceInterfaceData)
{
var bufferSize = 0;
var interfaceDetail = new NativeInterface.SP_DEVICE_INTERFACE_DETAIL_DATA
{
Size = IntPtr.Size == 4 ? 4 + Marshal.SystemDefaultCharSize : 8
};
NativeInterface.SetupDiGetDeviceInterfaceDetailBuffer(deviceInfoSet, ref deviceInterfaceData,
IntPtr.Zero, 0, ref bufferSize, IntPtr.Zero);
return(NativeInterface.SetupDiGetDeviceInterfaceDetail(deviceInfoSet, ref deviceInterfaceData,
ref interfaceDetail, bufferSize, ref bufferSize, IntPtr.Zero) ? interfaceDetail.DevicePath : null);
}
public static IEnumerable<string> GetAllDevicePaths(Guid guid)
{
var ret = new List<string>();
var deviceInfoSet = NativeInterface.SetupDiGetClassDevs(ref guid, null, 0,
NativeInterface.DIGCF_PRESENT | NativeInterface.DIGCF_DEVICEINTERFACE);
if (deviceInfoSet.ToInt64() != NativeInterface.INVALID_HANDLE_VALUE)
{
var deviceInfoData = _CreateDeviceInfoData();
var deviceIndex = 0;
while (NativeInterface.SetupDiEnumDeviceInfo(deviceInfoSet, deviceIndex, ref deviceInfoData))
{
deviceIndex += 1;
var deviceInterfaceData = new NativeInterface.SP_DEVICE_INTERFACE_DATA();
deviceInterfaceData.cbSize = Marshal.SizeOf(deviceInterfaceData);
var deviceInterfaceIndex = 0;
while (NativeInterface.SetupDiEnumDeviceInterfaces(deviceInfoSet, ref deviceInfoData,
ref guid, deviceInterfaceIndex, ref deviceInterfaceData))
{
ret.Add(_GetDevicePath(deviceInfoSet, deviceInterfaceData));
deviceInterfaceIndex++;
}
}
NativeInterface.SetupDiDestroyDeviceInfoList(deviceInfoSet);
}
return ret;
}
