I was looking for a simple slider to resize a disk in VMWare server recently and its not that simple if you want to resize a disk.
The solution is detailed in more detail here, but essentially you need run the following command on the host of the VMware machine:
vmware-vdiskmanager -x 30GB D:\VirtualMachines\virtualMachine1\virtualMachine1.vmdk
The above command essentially will resize the disk for virtualMachine1 to...
