   unsigned long to float rgb
  How can I convert RGBA values stored on a unsigned long (DWORD) to the 0.0-1.0 default?like:Vector4 = RGBAToVector4(COLOR); 
a = (dwARGB>>24)/255.0f;r = ((dwARGB>>16)&0xFF)/255.0f;g = ((dwARGB>>8)&0xFF)/255.0f;b = (dwARGB&0xFF)/255.0f;  ;  Thank you very much! 