private void GetPropertiesSPDRP(SafeHandle usbHandle)
{
byte[] propBuffer = new byte[1024];
GCHandle gcPropBuffer = GCHandle.Alloc(propBuffer, GCHandleType.Pinned);
LibUsbRequest req = new LibUsbRequest();
Dictionary <string, int> allProps = LHelper.GetEnumData(typeof(DevicePropertyType));
foreach (KeyValuePair <string, int> prop in allProps)
{
object oValue = String.Empty;
req.DeviceProperty.ID = prop.Value;
int iReturnBytes;
bool bSuccess = LibUsbDriverIO.UsbIOSync(usbHandle,
LibUsbIoCtl.GET_REG_PROPERTY,
req,
LibUsbRequest.Size,
gcPropBuffer.AddrOfPinnedObject(),
propBuffer.Length,
out iReturnBytes);
if (bSuccess)
{
switch ((DevicePropertyType)prop.Value)
{
case DevicePropertyType.PhysicalDeviceObjectName:
case DevicePropertyType.LocationInformation:
case DevicePropertyType.Class:
case DevicePropertyType.Mfg:
case DevicePropertyType.DeviceDesc:
case DevicePropertyType.Driver:
case DevicePropertyType.EnumeratorName:
case DevicePropertyType.FriendlyName:
case DevicePropertyType.ClassGuid:
oValue = GetAsString(propBuffer, iReturnBytes);
break;
case DevicePropertyType.HardwareId:
case DevicePropertyType.CompatibleIds:
oValue = GetAsStringArray(propBuffer, iReturnBytes);
break;
case DevicePropertyType.BusNumber:
case DevicePropertyType.InstallState:
case DevicePropertyType.LegacyBusType:
case DevicePropertyType.RemovalPolicy:
case DevicePropertyType.UiNumber:
case DevicePropertyType.Address:
oValue = GetAsStringInt32(propBuffer, iReturnBytes);
break;
case DevicePropertyType.BusTypeGuid:
oValue = GetAsGuid(propBuffer, iReturnBytes);
break;
}
}
else
{
oValue = String.Empty;
}
mDeviceProperties.Add(prop.Key, oValue);
}
gcPropBuffer.Free();
}
public static void getSPDRPProperties(IntPtr deviceInfoSet, ref SP_DEVINFO_DATA deviceInfoData, Dictionary <string, object> deviceProperties)
{
byte[] propBuffer = new byte[1024];
Dictionary <string, int> allProps = LHelper.GetEnumData(typeof(SPDRP));
foreach (KeyValuePair <string, int> prop in allProps)
{
object oValue = String.Empty;
int iReturnBytes;
RegistryValueKind regPropType;
bool bSuccess = SetupDiGetDeviceRegistryProperty(deviceInfoSet,
ref deviceInfoData,
(SPDRP)prop.Value,
out regPropType,
propBuffer,
propBuffer.Length,
out iReturnBytes);
if (bSuccess)
{
switch ((SPDRP)prop.Value)
{
case SPDRP.PhysicalDeviceObjectName:
case SPDRP.LocationInformation:
case SPDRP.Class:
case SPDRP.Mfg:
case SPDRP.DeviceDesc:
case SPDRP.Driver:
case SPDRP.EnumeratorName:
case SPDRP.FriendlyName:
case SPDRP.ClassGuid:
oValue = UsbRegistry.GetAsString(propBuffer, iReturnBytes);
break;
case SPDRP.HardwareId:
case SPDRP.CompatibleIds:
case SPDRP.LocationPaths:
oValue = UsbRegistry.GetAsStringArray(propBuffer, iReturnBytes);
break;
case SPDRP.BusNumber:
case SPDRP.InstallState:
case SPDRP.LegacyBusType:
case SPDRP.RemovalPolicy:
case SPDRP.UiNumber:
case SPDRP.Address:
oValue = UsbRegistry.GetAsStringInt32(propBuffer, iReturnBytes);
break;
case SPDRP.BusTypeGuid:
oValue = UsbRegistry.GetAsGuid(propBuffer, iReturnBytes);
break;
}
}
else
{
oValue = String.Empty;
}
deviceProperties.Add(prop.Key, oValue);
}
}