Extend windows partition with diskpart

diskpart
select disk 0
select partition 1
extend

if you recieve

There is not enough usable free space on specified disk(s) to extend the volume.

In this case you still have to extend partition in offline with Partition Wizard or you have to turn off paging file.

https://support.microsoft.com/en-us/help/325590/how-to-extend-a-data-volume-in-windows-server-2003-in-windows-xp-in-wi