func (v *VirtualMemoryUsageContainer) UpdateRender() {
	data := memory.GetInstance()
	v.virtualGauge.Percent = int(data.LatestVirtualStat.UsedPercent)
	v.virtualGauge.BorderLabel = fmt.Sprintf("virtual usage (%.2fGB/%.2fGB)",
		util.Byte2GBi(data.LatestVirtualStat.Used),
		util.Byte2GBi(data.LatestVirtualStat.Total))
}
UpdateRender # Container Interface
package container
import (
	"fmt"
	"github.com/bunbunjp/gotop/dataservice/memory"
	"github.com/bunbunjp/gotop/util"
	"github.com/gizak/termui"
)
type VirtualMemoryUsageContainer struct {
	virtualGauge *termui.Gauge
}
func (v *VirtualMemoryUsageContainer) Initialize() {
}