static extern bool SetupApi_ReadProperty(
ref SetupApiDeviceEnumerator enumerator,
DeviceRegistryCode property,
out RegistryDataType propertyRegDataType,
byte[] propertyBuffer,
int propertyBufferSize,
out uint requiredSize);
static object ReadDeviceProperty(ref SetupApiDeviceEnumerator enumerator, DeviceRegistryCode property)
{
uint requiredSize;
RegistryDataType dataType;
SetupApi_ReadProperty(ref enumerator, property, out dataType, null, 0, out requiredSize);
var propertyBuffer = new byte[requiredSize];
if (!SetupApi_ReadProperty(ref enumerator, property, out dataType, propertyBuffer, propertyBuffer.Length, out requiredSize))
{
var error = (WinError)Marshal.GetLastWin32Error();
if (error == WinError.ERROR_INVALID_DATA)
{
return(null);
}
throw new Win32Exception(error);
}
return(ParseRegistryValue(propertyBuffer, dataType));
}
