private string FindFirstVolume()
{
_findHandle = Imports.FindFirstVolumeW(
_buffer,
_buffer.CharCapacity);
if (_findHandle.IsInvalid)
{
WindowsError error = Error.GetLastError();
if (error == WindowsError.ERROR_FILENAME_EXCED_RANGE)
{
_buffer.EnsureCharCapacity(_buffer.CharCapacity + 64);
return(FindFirstVolume());
}
throw error.GetException();
}
_buffer.SetLengthToFirstNull();
return(_buffer.ToString());
}
private void CloseHandle()
{
_findHandle?.Dispose();
_findHandle = null;
}