calculate media file loaded in wmp control

i loaded up avi movie in windowsmedia player control and the length of the movie is

02:10:09 full length movie time

how do i split that into 10 minutes parts till it reaches the end

splited example

00:10:00
00:10:00
00:10:00
00:10:00
00:10:00
xx till end


something so it covers the whole movie , i will have a combobox that will say select how many file to split , when 6 or 8 selected for example it should calculate it and generate the number format shown above