cant remove partition

hi,to all
i upgrade from xp to vista,&,is running fine,
ihave some old xp file ond,drive,what i dont need.
how can i remove partition d,are d,drive,to get all the space on the c,drive
it dont mater if i lost alldata on d,drve,i just need back the space
i only need 1 drive,& that is the vista that is working fine,just need more space
thanks for any help,i try to format the d,drive,it whont letme.
try partition magic it sat not soported.by vista
am running out off space on my c,drive
&,i have over 80gb on the d,drive

 

Have a look at #4 in this thread

http://forums.majorgeeks.com/showthread.php?t=192074

You will also find an option to Delete Volume, D in your case, and then you can expand your C partition into the unallocated space.