Look in directory \COMMON\TOOLS\VB\CONTROLS on VB6 CD (in my visual 
studio version is the 3rd cd). It has README file describing how to 
resolve problems with unsupported old controls. 
In two words: you have to copy .ocx and .dll files for this controls to 
WINDOWS\SYSTEM directory (VB CD contains this files), then register them 
using RegSvr32.Exe (there is copy of this util on CD) and  register the 
design time licenses for the controls. To do this, merge the 
vbctrls.reg file found in above menshioned directory into your registry.